{"id":871,"date":"2026-04-26T19:38:13","date_gmt":"2026-04-26T14:08:13","guid":{"rendered":"https:\/\/qsh.in\/boards\/wbbse\/?p=871"},"modified":"2026-04-26T19:38:13","modified_gmt":"2026-04-26T14:08:13","slug":"stoichiometric-calculations","status":"publish","type":"post","link":"https:\/\/qsh.in\/boards\/wbbse\/class-x\/physical-science\/stoichiometric-calculations\/","title":{"rendered":"\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u0997\u09a3\u09a8\u09be \u0993 \u0997\u09be\u09a3\u09bf\u09a4\u09bf\u0995 \u09b8\u09ae\u09b8\u09cd\u09af\u09be | \u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u09ad\u09cc\u09a4\u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u0995\u09cd\u09af\u09c1\u0987\u099c"},"content":{"rendered":"<p>\u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09bf\u0995 \u09ad\u09cc\u09a4\u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09aa\u09cd\u09b0\u09b8\u09cd\u09a4\u09c1\u09a4\u09bf\u09b0 \u0986\u099c\u0995\u09c7\u09b0 \u09aa\u09b0\u09cd\u09ac\u09c7 \u0986\u09ae\u09b0\u09be \u09a4\u09c3\u09a4\u09c0\u09af\u09bc \u0985\u09a7\u09cd\u09af\u09be\u09af\u09bc <strong>\u2018\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u0997\u09a3\u09a8\u09be\u2019 (Chemical Calculations)<\/strong>-\u098f\u09b0 \u09b8\u09b0\u09cd\u09ac\u09b6\u09c7\u09b7 \u0985\u0982\u09b6 \u09a8\u09bf\u09af\u09bc\u09c7 \u0986\u09b2\u09cb\u099a\u09a8\u09be \u0995\u09b0\u09ac\u0964 \u0986\u0997\u09c7\u09b0 \u09a6\u09c1\u099f\u09bf \u09aa\u09b0\u09cd\u09ac\u09c7 \u0986\u09ae\u09b0\u09be \u09ad\u09b0\u09c7\u09b0 \u09b8\u0982\u09b0\u0995\u09cd\u09b7\u09a3 \u09b8\u09c2\u09a4\u09cd\u09b0 \u098f\u09ac\u0982 \u09ac\u09be\u09b7\u09cd\u09aa\u0998\u09a8\u09a4\u09cd\u09ac \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995\u09c7 \u099c\u09c7\u09a8\u09c7\u099b\u09bf\u0964 \u0986\u099c\u0995\u09c7\u09b0 \u098f\u0987 \u0986\u09b0\u09cd\u099f\u09bf\u0995\u09c7\u09b2\u09c7 \u0986\u09ae\u09b0\u09be \u09b6\u09bf\u0996\u09ac \u0995\u09c0\u09ad\u09be\u09ac\u09c7 <strong>\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (Chemical Equation)<\/strong> \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 \u09ad\u09cc\u09a4\u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8\u09c7\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u0997\u09be\u09a3\u09bf\u09a4\u09bf\u0995 \u09b8\u09ae\u09b8\u09cd\u09af\u09be \u09ac\u09be \u0985\u0999\u09cd\u0995 \u0996\u09c1\u09ac \u09b8\u09b9\u099c\u09c7\u0987 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 \u0995\u09b0\u09be \u09af\u09be\u09af\u09bc\u0964 \u098f\u0987 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u0995\u09c7 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8\u09c7\u09b0 \u09ad\u09be\u09b7\u09be\u09af\u09bc \u2018\u09b8\u09cd\u099f\u09af\u09bc\u0995\u09bf\u0993\u09ae\u09c7\u099f\u09cd\u09b0\u09bf\u2019 (Stoichiometry) \u09ac\u09b2\u09be \u09b9\u09af\u09bc\u0964<\/p>\n<h2>\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u0997\u09a3\u09a8\u09be\u09b0 \u09aa\u09cd\u09b0\u09be\u09a5\u09ae\u09bf\u0995 \u09a8\u09bf\u09af\u09bc\u09ae\u09be\u09ac\u09b2\u09bf<\/h2>\n<p>\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u09b0 \u0997\u09be\u09a3\u09bf\u09a4\u09bf\u0995 \u09b8\u09ae\u09b8\u09cd\u09af\u09be \u09b8\u09ae\u09be\u09a7\u09be\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09aa\u09cd\u09b0\u09a7\u09be\u09a8\u09a4 \u09a4\u09bf\u09a8\u099f\u09bf \u09a7\u09be\u09aa \u0985\u09a8\u09c1\u09b8\u09b0\u09a3 \u0995\u09b0\u09a4\u09c7 \u09b9\u09af\u09bc:<\/p>\n<ol>\n<li><strong>\u09b8\u09ae\u09a4\u09be \u09ac\u09bf\u09a7\u09be\u09a8 (Balancing):<\/strong> \u09b8\u09ac\u09be\u09b0 \u09aa\u09cd\u09b0\u09a5\u09ae\u09c7 \u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099f\u09bf\u09b0 \u098f\u0995\u099f\u09bf \u09b8\u09a0\u09bf\u0995 \u0993 <strong>\u09b8\u09ae\u09a4\u09be\u09af\u09c1\u0995\u09cd\u09a4 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (Balanced Equation)<\/strong> \u09b2\u09bf\u0996\u09a4\u09c7 \u09b9\u09ac\u09c7\u0964 \u09b8\u09ae\u09a4\u09be \u09ac\u09bf\u09a7\u09be\u09a8 \u09a8\u09be \u0995\u09b0\u09b2\u09c7 \u09ad\u09b0\u09c7\u09b0 \u09b8\u0982\u09b0\u0995\u09cd\u09b7\u09a3 \u09b8\u09c2\u09a4\u09cd\u09b0 \u09b2\u0999\u09cd\u0998\u09bf\u09a4 \u09b9\u09ac\u09c7 \u098f\u09ac\u0982 \u0985\u0999\u09cd\u0995\u099f\u09bf \u09ad\u09c1\u09b2 \u09b9\u09af\u09bc\u09c7 \u09af\u09be\u09ac\u09c7\u0964<\/li>\n<li><strong>\u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0 \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc:<\/strong> \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u099f\u09bf\u09a4\u09c7 \u09af\u09c7 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u0997\u09c1\u09b2\u09cb\u09b0 \u09ad\u09b0 \u09ac\u09c7\u09b0 \u0995\u09b0\u09a4\u09c7 \u09ac\u09b2\u09be \u09b9\u09af\u09bc\u09c7\u099b\u09c7 \u098f\u09ac\u0982 \u09af\u09be\u09b0 \u09ad\u09b0 \u09a6\u09c7\u0993\u09af\u09bc\u09be \u0986\u099b\u09c7, \u09a4\u09be\u09a6\u09c7\u09b0 \u09b8\u0982\u0995\u09c7\u09a4 \u09a5\u09c7\u0995\u09c7 <strong>\u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0 (Molecular Mass)<\/strong> \u09ac\u09c7\u09b0 \u0995\u09b0\u09c7 \u09a4\u09be\u09b0 \u09a8\u09c0\u099a\u09c7 \u09b2\u09bf\u0996\u09a4\u09c7 \u09b9\u09ac\u09c7\u0964<\/li>\n<li><strong>\u0990\u0995\u09bf\u0995 \u09a8\u09bf\u09af\u09bc\u09ae \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u0997:<\/strong> \u098f\u09b0\u09aa\u09b0 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09aa\u09be\u099f\u09bf\u0997\u09a3\u09bf\u09a4\u09c7\u09b0 \u09ae\u09a4\u09cb \u0990\u0995\u09bf\u0995 \u09a8\u09bf\u09af\u09bc\u09ae (Unitary Method) \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u0997 \u0995\u09b0\u09c7 \u0996\u09c1\u09ac \u09b8\u09b9\u099c\u09c7\u0987 \u0989\u09a4\u09cd\u09a4\u09b0 \u09ac\u09c7\u09b0 \u0995\u09b0\u09be \u09af\u09be\u09af\u09bc\u0964<\/li>\n<\/ol>\n<h2>\u09ae\u09cb\u09b2\u09be\u09b0 \u0986\u09af\u09bc\u09a4\u09a8 \u098f\u09ac\u0982 \u09ae\u09cb\u09b2 \u09b8\u0982\u0996\u09cd\u09af\u09be<\/h2>\n<p>\u0997\u09be\u09a3\u09bf\u09a4\u09bf\u0995 \u09b8\u09ae\u09b8\u09cd\u09af\u09be \u09b8\u09ae\u09be\u09a7\u09be\u09a8\u09c7\u09b0 \u09b8\u09ae\u09af\u09bc \u0985\u09a8\u09c7\u0995 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7 \u09ad\u09b0\u09c7\u09b0 \u09aa\u09be\u09b6\u09be\u09aa\u09be\u09b6\u09bf \u0986\u09af\u09bc\u09a4\u09a8\u09c7\u09b0 (Volume) \u09b9\u09bf\u09b8\u09be\u09ac\u0993 \u0995\u09b0\u09a4\u09c7 \u09b9\u09af\u09bc\u0964 \u09a4\u0996\u09a8 \u0986\u09ae\u09be\u09a6\u09c7\u09b0 \u09ae\u09a8\u09c7 \u09b0\u09be\u0996\u09a4\u09c7 \u09b9\u09ac\u09c7:<\/p>\n<ul>\n<li>\u09aa\u09cd\u09b0\u09ae\u09be\u09a3 \u099a\u09be\u09aa \u0993 \u09a4\u09be\u09aa\u09ae\u09be\u09a4\u09cd\u09b0\u09be\u09af\u09bc (STP-\u09a4\u09c7) <strong>1 \u09ae\u09cb\u09b2<\/strong> \u09aa\u09b0\u09bf\u09ae\u09be\u09a3 \u09af\u09c7\u0995\u09cb\u09a8\u09cb \u0986\u09a6\u09b0\u09cd\u09b6 \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u0986\u09af\u09bc\u09a4\u09a8 \u09b9\u09af\u09bc <strong>22.4 \u09b2\u09bf\u099f\u09be\u09b0<\/strong>\u0964<\/li>\n<li>\u09af\u09c7\u09ae\u09a8: 44 \u0997\u09cd\u09b0\u09be\u09ae CO<sub>2<\/sub> = 1 \u09ae\u09cb\u09b2 CO<sub>2<\/sub> = STP-\u09a4\u09c7 22.4 \u09b2\u09bf\u099f\u09be\u09b0\u0964<\/li>\n<\/ul>\n<h2>\u098f\u0995\u099f\u09bf \u09b8\u09b9\u099c \u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/h2>\n<p><strong>\u09aa\u09cd\u09b0\u09b6\u09cd\u09a8:<\/strong> 100 \u0997\u09cd\u09b0\u09be\u09ae \u0995\u09cd\u09af\u09be\u09b2\u09b8\u09bf\u09af\u09bc\u09be\u09ae \u0995\u09be\u09b0\u09cd\u09ac\u09a8\u09c7\u099f\u0995\u09c7 (CaCO<sub>3<\/sub>) \u0989\u09a4\u09cd\u09a4\u09aa\u09cd\u09a4 \u0995\u09b0\u09b2\u09c7 \u0995\u09a4 \u0997\u09cd\u09b0\u09be\u09ae \u09aa\u09cb\u09a1\u09bc\u09be\u099a\u09c1\u09a8 \u09ac\u09be \u0995\u09cd\u09af\u09be\u09b2\u09b8\u09bf\u09af\u09bc\u09be\u09ae \u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 (CaO) \u09aa\u09be\u0993\u09af\u09bc\u09be \u09af\u09be\u09ac\u09c7? (\u09a6\u09c7\u0993\u09af\u09bc\u09be \u0986\u099b\u09c7: Ca=40, C=12, O=16)<\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8:<\/strong><\/p>\n<ul>\n<li>\u09e7\u09ae \u09a7\u09be\u09aa (\u09b8\u09ae\u09c0\u0995\u09b0\u09a3): CaCO<sub>3<\/sub> \u2794 CaO + CO<sub>2<\/sub><\/li>\n<li>\u09e8\u09af\u09bc \u09a7\u09be\u09aa (\u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0):<br>\nCaCO<sub>3<\/sub> = 40 + 12 + (16 \u00d7 3) = 100<br>\nCaO = 40 + 16 = 56<\/li>\n<li>\u09e9\u09af\u09bc \u09a7\u09be\u09aa (\u0990\u0995\u09bf\u0995 \u09a8\u09bf\u09af\u09bc\u09ae): \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a5\u09c7\u0995\u09c7 \u09b8\u09cd\u09aa\u09b7\u09cd\u099f \u09a6\u09c7\u0996\u09be \u09af\u09be\u099a\u09cd\u099b\u09c7 \u09af\u09c7 100 \u0997\u09cd\u09b0\u09be\u09ae CaCO<sub>3<\/sub> \u09a5\u09c7\u0995\u09c7 <strong>56 \u0997\u09cd\u09b0\u09be\u09ae CaO<\/strong> \u09aa\u09be\u0993\u09af\u09bc\u09be \u09af\u09be\u09af\u09bc\u0964 \u098f\u099f\u09be\u0987 \u0989\u09a4\u09cd\u09a4\u09b0!<\/li>\n<\/ul>\n<h2>\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u0997\u09a3\u09a8\u09be \u09a4\u09a5\u09cd\u09af\u09ae\u09be\u09b2\u09be \u0993 \u0995\u09cd\u09af\u09c1\u0987\u099c<\/h2>\n<p>\u09a8\u09bf\u099a\u09c7\u09b0 \u09a4\u09a5\u09cd\u09af\u09ae\u09be\u09b2\u09be \u09ac\u09be \u09a8\u09b2\u09c7\u099c \u09b8\u09cd\u09b2\u09be\u0987\u09a1\u0997\u09c1\u09b2\u09cb \u09ad\u09be\u09b2\u09cb \u0995\u09b0\u09c7 \u09aa\u09a1\u09bc\u09cb\u0964 \u098f\u0996\u09be\u09a8\u09c7 \u09a4\u09cb\u09ae\u09be\u09a6\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09ad\u09cc\u09a4\u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8\u09c7\u09b0 \u0997\u09c1\u09b0\u09c1\u09a4\u09cd\u09ac\u09aa\u09c2\u09b0\u09cd\u09a3 \u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0 \u098f\u09ac\u0982 \u0997\u09a3\u09a8\u09be\u09b0 \u09ab\u09b2\u09be\u09ab\u09b2 \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995\u09c7 \u09a4\u09a5\u09cd\u09af \u09a6\u09c7\u0993\u09af\u09bc\u09be \u09b9\u09af\u09bc\u09c7\u099b\u09c7\u0964 \u098f\u0997\u09c1\u09b2\u09cb \u09ae\u09a8\u09cb\u09af\u09cb\u0997 \u09a6\u09bf\u09af\u09bc\u09c7 \u09aa\u09a1\u09bc\u09b2\u09c7 \u09ac\u09be \u09b6\u09c1\u09a8\u09b2\u09c7 \u09a4\u09cb\u09ae\u09be\u09b0 \u09b8\u09ae\u09cd\u09af\u0995 \u09a7\u09be\u09b0\u09a8\u09be \u09b9\u09af\u09bc\u09c7 \u09af\u09be\u09ac\u09c7 \u098f\u09ac\u0982 \u09aa\u09b0\u09c0\u0995\u09cd\u09b7\u09be\u09b0 \u09aa\u09b0\u09bf\u09aa\u09c7\u0995\u09cd\u09b7\u09bf\u09a4\u09c7 \u0985\u09a4\u09cd\u09af\u09a8\u09cd\u09a4 \u0997\u09c1\u09b0\u09c1\u09a4\u09cd\u09ac\u09aa\u09c2\u09b0\u09cd\u09a3\u0964<\/p>\n<p><strong>\u0995\u09cd\u09af\u09c1\u0987\u099c \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995\u09c7:<\/strong> \u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u098f\u09ac\u0982 \u0997\u09be\u09a3\u09bf\u09a4\u09bf\u0995 \u0997\u09a3\u09a8\u09be \u09b8\u0982\u0995\u09cd\u09b0\u09be\u09a8\u09cd\u09a4 \u098f\u0987 \u0995\u09cd\u09af\u09c1\u0987\u099c\u099f\u09bf \u0996\u09c7\u09b2\u09c7 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09bf\u0995 \u09aa\u09b0\u09c0\u0995\u09cd\u09b7\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09a8\u09bf\u099c\u09c7\u0995\u09c7 \u09aa\u09cd\u09b0\u09b8\u09cd\u09a4\u09c1\u09a4 \u0995\u09b0\u09cb\u0964<\/p>\n        <div class=\"mehruedu-knowledge-container block-container\" data-quiz-id=\"871\" data-knowledge-slides=\"[{&quot;display_html&quot;:&quot;\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u0997\u09a3\u09a8\u09be\u09b0 \u0985\u0999\u09cd\u0995 \u0995\u09b0\u09be\u09b0 \u09b8\u09ae\u09af\u09bc \u09b8\u09ac\u099a\u09c7\u09af\u09bc\u09c7 \u09aa\u09cd\u09b0\u09a5\u09ae \u098f\u09ac\u0982 \u0997\u09c1\u09b0\u09c1\u09a4\u09cd\u09ac\u09aa\u09c2\u09b0\u09cd\u09a3 \u09a7\u09be\u09aa \u09b9\u09b2\u09cb \u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u099f\u09bf\u09b0 \u09b8\u09ae\u09a4\u09be \u09ac\u09bf\u09a7\u09be\u09a8 (Balancing) \u0995\u09b0\u09be, \u09af\u09be\u09a4\u09c7 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u0995 \u0993 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099c\u09be\u09a4 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09c7\u09b0 \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b8\u09ae\u09be\u09a8 \u09a5\u09be\u0995\u09c7\u0964\\r\\n\\r\\n&quot;,&quot;explain_text&quot;:&quot;\u099b\u09be\u09a4\u09cd\u09b0\u099b\u09be\u09a4\u09cd\u09b0\u09c0\u09b0\u09be, \u09ae\u09a8\u09c7 \u09b0\u09be\u0996\u09ac\u09c7 H&lt;sub&gt;2&lt;\\\/sub&gt; + O&lt;sub&gt;2&lt;\\\/sub&gt; \u2794 H&lt;sub&gt;2&lt;\\\/sub&gt;O \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u099f\u09bf \u09a6\u09bf\u09af\u09bc\u09c7 \u0985\u0999\u09cd\u0995 \u0995\u09b0\u09be \u09af\u09be\u09ac\u09c7 \u09a8\u09be\u0964 \u098f\u099f\u09bf\u0995\u09c7 \u0986\u0997\u09c7 2H&lt;sub&gt;2&lt;\\\/sub&gt; + O&lt;sub&gt;2&lt;\\\/sub&gt; \u2794 2H&lt;sub&gt;2&lt;\\\/sub&gt;O \u0995\u09b0\u09c7 \u09a8\u09bf\u09a4\u09c7 \u09b9\u09ac\u09c7\u0964&quot;,&quot;clickable_words&quot;:[],&quot;clean_text&quot;:&quot;\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u0997\u09a3\u09a8\u09be\u09b0 \u0985\u0999\u09cd\u0995 \u0995\u09b0\u09be\u09b0 \u09b8\u09ae\u09af\u09bc \u09b8\u09ac\u099a\u09c7\u09af\u09bc\u09c7 \u09aa\u09cd\u09b0\u09a5\u09ae \u098f\u09ac\u0982 \u0997\u09c1\u09b0\u09c1\u09a4\u09cd\u09ac\u09aa\u09c2\u09b0\u09cd\u09a3 \u09a7\u09be\u09aa \u09b9\u09b2\u09cb \u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u099f\u09bf\u09b0 \u09b8\u09ae\u09a4\u09be \u09ac\u09bf\u09a7\u09be\u09a8 (Balancing) \u0995\u09b0\u09be, \u09af\u09be\u09a4\u09c7 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u0995 \u0993 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099c\u09be\u09a4 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09c7\u09b0 \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b8\u09ae\u09be\u09a8 \u09a5\u09be\u0995\u09c7\u0964&quot;},{&quot;display_html&quot;:&quot;100 \u0997\u09cd\u09b0\u09be\u09ae \u0995\u09cd\u09af\u09be\u09b2\u09b8\u09bf\u09af\u09bc\u09be\u09ae \u0995\u09be\u09b0\u09cd\u09ac\u09a8\u09c7\u099f\u0995\u09c7 (CaCO&lt;sub&gt;3&lt;\\\/sub&gt;) \u0989\u09a4\u09cd\u09a4\u09aa\u09cd\u09a4 \u0995\u09b0\u09b2\u09c7 STP-\u09a4\u09c7 &lt;span class=\\&quot;mehruedu-clickable-word\\&quot; data-explanation-id=\\&quot;cw_6a8effb8ba348\\&quot;&gt;\u09e8\u09e8.\u09ea&lt;\\\/span&gt; \u09b2\u09bf\u099f\u09be\u09b0 \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09a1\u09be\u0987\u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 (CO&lt;sub&gt;2&lt;\\\/sub&gt;) \u0997\u09cd\u09af\u09be\u09b8 \u09aa\u09be\u0993\u09af\u09bc\u09be \u09af\u09be\u09af\u09bc\u0964\\r\\n\\r\\n&quot;,&quot;explain_text&quot;:&quot;\u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u09ad\u09b0 \u09ac\u09be \u0986\u09af\u09bc\u09a4\u09a8 \u09af\u09be-\u0987 \u099a\u09be\u0993\u09af\u09bc\u09be \u09b9\u09cb\u0995 \u09a8\u09be \u0995\u09c7\u09a8, \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (CaCO&lt;sub&gt;3&lt;\\\/sub&gt; \u2794 CaO + CO&lt;sub&gt;2&lt;\\\/sub&gt;) \u09a5\u09c7\u0995\u09c7 \u0986\u09ae\u09b0\u09be \u09b8\u09ac \u09a7\u09b0\u09a8\u09c7\u09b0 \u0989\u09a4\u09cd\u09a4\u09b0 \u09b8\u09b9\u099c\u09c7\u0987 \u09ac\u09c7\u09b0 \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09bf\u0964&quot;,&quot;clickable_words&quot;:[{&quot;id&quot;:&quot;cw_6a8effb8ba348&quot;,&quot;text&quot;:&quot;100g CaCO&lt;sub&gt;3&lt;\\\/sub&gt; \u09ac\u09bf\u09af\u09bc\u09cb\u099c\u09bf\u09a4 \u09b9\u09af\u09bc\u09c7 1 \u09ae\u09cb\u09b2 \u09ac\u09be 44 \u0997\u09cd\u09b0\u09be\u09ae CO&lt;sub&gt;2&lt;\\\/sub&gt; \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u0995\u09b0\u09c7, \u09af\u09be\u09b0 STP-\u09a4\u09c7 \u0986\u09af\u09bc\u09a4\u09a8 22.4 \u09b2\u09bf\u099f\u09be\u09b0&quot;,&quot;show_text&quot;:true}],&quot;clean_text&quot;:&quot;100 \u0997\u09cd\u09b0\u09be\u09ae \u0995\u09cd\u09af\u09be\u09b2\u09b8\u09bf\u09af\u09bc\u09be\u09ae \u0995\u09be\u09b0\u09cd\u09ac\u09a8\u09c7\u099f\u0995\u09c7 (CaCO&lt;sub&gt;3&lt;\\\/sub&gt;) \u0989\u09a4\u09cd\u09a4\u09aa\u09cd\u09a4 \u0995\u09b0\u09b2\u09c7 STP-\u09a4\u09c7 \u09e8\u09e8.\u09ea \u09b2\u09bf\u099f\u09be\u09b0 \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09a1\u09be\u0987\u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 (CO&lt;sub&gt;2&lt;\\\/sub&gt;) \u0997\u09cd\u09af\u09be\u09b8 \u09aa\u09be\u0993\u09af\u09bc\u09be \u09af\u09be\u09af\u09bc\u0964&quot;},{&quot;display_html&quot;:&quot;12 \u0997\u09cd\u09b0\u09be\u09ae \u0995\u09be\u09b0\u09cd\u09ac\u09a8\u0995\u09c7 (C) \u09ac\u09be\u09a4\u09be\u09b8\u09c7 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09a6\u09b9\u09a8 \u0995\u09b0\u09b2\u09c7 &lt;span class=\\&quot;mehruedu-clickable-word\\&quot; data-explanation-id=\\&quot;cw_6a8effb8e453c\\&quot;&gt;\u09ea\u09ea&lt;\\\/span&gt; \u0997\u09cd\u09b0\u09be\u09ae \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09a1\u09be\u0987\u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 (CO&lt;sub&gt;2&lt;\\\/sub&gt;) \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u09b9\u09af\u09bc\u0964\\r\\n\\r\\n&quot;,&quot;explain_text&quot;:&quot;\u0985\u09b0\u09cd\u09a5\u09be\u09ce, 1 \u09ae\u09cb\u09b2 \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09aa\u09c1\u09a1\u09bc\u09b2\u09c7 \u09a0\u09bf\u0995 1 \u09ae\u09cb\u09b2 \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09a1\u09be\u0987\u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 \u0997\u09cd\u09af\u09be\u09b8 \u09a4\u09c8\u09b0\u09bf \u09b9\u09af\u09bc\u0964&quot;,&quot;clickable_words&quot;:[{&quot;id&quot;:&quot;cw_6a8effb8e453c&quot;,&quot;text&quot;:&quot;\u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u09b0 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u099f\u09bf \u09b9\u09b2\u09cb: C + O&lt;sub&gt;2&lt;\\\/sub&gt; \u2794 CO&lt;sub&gt;2&lt;\\\/sub&gt;\u0964 \u098f\u0996\u09be\u09a8\u09c7 C \u098f\u09b0 \u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0 12 \u098f\u09ac\u0982 CO&lt;sub&gt;2&lt;\\\/sub&gt; \u098f\u09b0 \u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0 44&quot;,&quot;show_text&quot;:true}],&quot;clean_text&quot;:&quot;12 \u0997\u09cd\u09b0\u09be\u09ae \u0995\u09be\u09b0\u09cd\u09ac\u09a8\u0995\u09c7 (C) \u09ac\u09be\u09a4\u09be\u09b8\u09c7 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09a6\u09b9\u09a8 \u0995\u09b0\u09b2\u09c7 \u09ea\u09ea \u0997\u09cd\u09b0\u09be\u09ae \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09a1\u09be\u0987\u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 (CO&lt;sub&gt;2&lt;\\\/sub&gt;) \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u09b9\u09af\u09bc\u0964&quot;},{&quot;display_html&quot;:&quot;2 \u09ae\u09cb\u09b2 \u09b9\u09be\u0987\u09a1\u09cd\u09b0\u09cb\u099c\u09c7\u09a8 (H&lt;sub&gt;2&lt;\\\/sub&gt;) \u098f\u09ac\u0982 1 \u09ae\u09cb\u09b2 \u0985\u0995\u09cd\u09b8\u09bf\u099c\u09c7\u09a8 (O&lt;sub&gt;2&lt;\\\/sub&gt;) \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3\u09ad\u09be\u09ac\u09c7 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u0995\u09b0\u09c7 &lt;span class=\\&quot;mehruedu-clickable-word\\&quot; data-explanation-id=\\&quot;cw_6a8effb904607\\&quot;&gt;\u09e8&lt;\\\/span&gt; \u09ae\u09cb\u09b2 \u099c\u09b2 (H&lt;sub&gt;2&lt;\\\/sub&gt;O) \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u0995\u09b0\u09c7\u0964\\r\\n\\r\\n&quot;,&quot;explain_text&quot;:&quot;\u098f\u0996\u09be\u09a8\u09c7 \u09b9\u09be\u0987\u09a1\u09cd\u09b0\u09cb\u099c\u09c7\u09a8\u09c7\u09b0 \u0986\u0997\u09c7 \u09a5\u09be\u0995\u09be '2' \u09b8\u0982\u0996\u09cd\u09af\u09be\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6 \u0995\u09b0\u09c7 \u09af\u09c7 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u09af\u09bc 2 \u09ae\u09cb\u09b2 \u09b9\u09be\u0987\u09a1\u09cd\u09b0\u09cb\u099c\u09c7\u09a8 \u0985\u0982\u09b6\u0997\u09cd\u09b0\u09b9\u09a3 \u0995\u09b0\u09c7\u099b\u09c7\u0964&quot;,&quot;clickable_words&quot;:[{&quot;id&quot;:&quot;cw_6a8effb904607&quot;,&quot;text&quot;:&quot;2H&lt;sub&gt;2&lt;\\\/sub&gt; + O&lt;sub&gt;2&lt;\\\/sub&gt; \u2794 2H&lt;sub&gt;2&lt;\\\/sub&gt;O \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a5\u09c7\u0995\u09c7 \u09a6\u09c7\u0996\u09be \u09af\u09be\u09af\u09bc \u09af\u09c7 4 \u0997\u09cd\u09b0\u09be\u09ae \u09b9\u09be\u0987\u09a1\u09cd\u09b0\u09cb\u099c\u09c7\u09a8 32 \u0997\u09cd\u09b0\u09be\u09ae \u0985\u0995\u09cd\u09b8\u09bf\u099c\u09c7\u09a8\u09c7\u09b0 \u09b8\u09be\u09a5\u09c7 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u0995\u09b0\u09c7 36 \u0997\u09cd\u09b0\u09be\u09ae \u099c\u09b2 \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09c7&quot;,&quot;show_text&quot;:true}],&quot;clean_text&quot;:&quot;2 \u09ae\u09cb\u09b2 \u09b9\u09be\u0987\u09a1\u09cd\u09b0\u09cb\u099c\u09c7\u09a8 (H&lt;sub&gt;2&lt;\\\/sub&gt;) \u098f\u09ac\u0982 1 \u09ae\u09cb\u09b2 \u0985\u0995\u09cd\u09b8\u09bf\u099c\u09c7\u09a8 (O&lt;sub&gt;2&lt;\\\/sub&gt;) \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3\u09ad\u09be\u09ac\u09c7 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u0995\u09b0\u09c7 \u09e8 \u09ae\u09cb\u09b2 \u099c\u09b2 (H&lt;sub&gt;2&lt;\\\/sub&gt;O) \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u0995\u09b0\u09c7\u0964&quot;},{&quot;display_html&quot;:&quot;\u09ae\u09cd\u09af\u09be\u0997\u09a8\u09c7\u09b6\u09bf\u09af\u09bc\u09be\u09ae\u09c7\u09b0 (Mg) \u09aa\u09be\u09b0\u09ae\u09be\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0 24 \u098f\u09ac\u0982 \u0985\u0995\u09cd\u09b8\u09bf\u099c\u09c7\u09a8\u09c7\u09b0 16\u0964 24 \u0997\u09cd\u09b0\u09be\u09ae \u09ae\u09cd\u09af\u09be\u0997\u09a8\u09c7\u09b6\u09bf\u09af\u09bc\u09be\u09ae \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09a6\u09b9\u09a8\u09c7 &lt;span class=\\&quot;mehruedu-clickable-word\\&quot; data-explanation-id=\\&quot;cw_6a8effb92c344\\&quot;&gt;\u09ea\u09e6&lt;\\\/span&gt; \u0997\u09cd\u09b0\u09be\u09ae \u09ae\u09cd\u09af\u09be\u0997\u09a8\u09c7\u09b6\u09bf\u09af\u09bc\u09be\u09ae \u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 (MgO) \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09c7\u0964\\r\\n\\r\\n&quot;,&quot;explain_text&quot;:&quot;\u09b0\u09b8\u09be\u09af\u09bc\u09a8\u09c7\u09b0 \u09af\u09c7\u0995\u09cb\u09a8\u09cb \u0985\u0999\u09cd\u0995 \u0995\u09b0\u09be\u09b0 \u09b8\u09ae\u09af\u09bc \u09b8\u09ac \u09b8\u09ae\u09af\u09bc \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09c7\u09b0 \u0986\u09a3\u09ac\u09bf\u0995 \u09ac\u09be \u09aa\u09be\u09b0\u09ae\u09be\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0 \u09b8\u09a0\u09bf\u0995\u09ad\u09be\u09ac\u09c7 \u09ae\u09c1\u0996\u09b8\u09cd\u09a5 \u09b0\u09be\u0996\u09be \u09ac\u09be \u09b9\u09bf\u09b8\u09be\u09ac \u0995\u09b0\u09c7 \u09a8\u09c7\u0993\u09af\u09bc\u09be \u099c\u09b0\u09c1\u09b0\u09bf\u0964&quot;,&quot;clickable_words&quot;:[{&quot;id&quot;:&quot;cw_6a8effb92c344&quot;,&quot;text&quot;:&quot;\u09b8\u09ae\u09c0\u0995\u09b0\u09a3: 2Mg + O&lt;sub&gt;2&lt;\\\/sub&gt; \u2794 2MgO\u0964 \u0985\u09b0\u09cd\u09a5\u09be\u09ce 48g Mg \u09a5\u09c7\u0995\u09c7 80g MgO \u09aa\u09be\u0993\u09af\u09bc\u09be \u09af\u09be\u09af\u09bc\u0964 \u09b8\u09c1\u09a4\u09b0\u09be\u0982 \u0990\u0995\u09bf\u0995 \u09a8\u09bf\u09af\u09bc\u09ae\u09c7 24g \u09a5\u09c7\u0995\u09c7 40g \u09aa\u09be\u0993\u09af\u09bc\u09be \u09af\u09be\u09ac\u09c7&quot;,&quot;show_text&quot;:true}],&quot;clean_text&quot;:&quot;\u09ae\u09cd\u09af\u09be\u0997\u09a8\u09c7\u09b6\u09bf\u09af\u09bc\u09be\u09ae\u09c7\u09b0 (Mg) \u09aa\u09be\u09b0\u09ae\u09be\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0 24 \u098f\u09ac\u0982 \u0985\u0995\u09cd\u09b8\u09bf\u099c\u09c7\u09a8\u09c7\u09b0 16\u0964 24 \u0997\u09cd\u09b0\u09be\u09ae \u09ae\u09cd\u09af\u09be\u0997\u09a8\u09c7\u09b6\u09bf\u09af\u09bc\u09be\u09ae \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09a6\u09b9\u09a8\u09c7 \u09ea\u09e6 \u0997\u09cd\u09b0\u09be\u09ae \u09ae\u09cd\u09af\u09be\u0997\u09a8\u09c7\u09b6\u09bf\u09af\u09bc\u09be\u09ae \u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 (MgO) \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09c7\u0964&quot;}]\">\n            <div class=\"mehruedu-seo-hidden-content\" style=\"display:none; visibility:hidden;\">\n                                    <div class=\"mehruedu-seo-slide-item\">\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u0997\u09a3\u09a8\u09be\u09b0 \u0985\u0999\u09cd\u0995 \u0995\u09b0\u09be\u09b0 \u09b8\u09ae\u09af\u09bc \u09b8\u09ac\u099a\u09c7\u09af\u09bc\u09c7 \u09aa\u09cd\u09b0\u09a5\u09ae \u098f\u09ac\u0982 \u0997\u09c1\u09b0\u09c1\u09a4\u09cd\u09ac\u09aa\u09c2\u09b0\u09cd\u09a3 \u09a7\u09be\u09aa \u09b9\u09b2\u09cb \u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u099f\u09bf\u09b0 \u09b8\u09ae\u09a4\u09be \u09ac\u09bf\u09a7\u09be\u09a8 (Balancing) \u0995\u09b0\u09be, \u09af\u09be\u09a4\u09c7 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u0995 \u0993 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099c\u09be\u09a4 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09c7\u09b0 \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b8\u09ae\u09be\u09a8 \u09a5\u09be\u0995\u09c7\u0964\r\n\r\n<\/div>\n                                    <div class=\"mehruedu-seo-slide-item\">100 \u0997\u09cd\u09b0\u09be\u09ae \u0995\u09cd\u09af\u09be\u09b2\u09b8\u09bf\u09af\u09bc\u09be\u09ae \u0995\u09be\u09b0\u09cd\u09ac\u09a8\u09c7\u099f\u0995\u09c7 (CaCO<sub>3<\/sub>) \u0989\u09a4\u09cd\u09a4\u09aa\u09cd\u09a4 \u0995\u09b0\u09b2\u09c7 STP-\u09a4\u09c7 <span class=\"mehruedu-clickable-word\" data-explanation-id=\"cw_6a8effb8ba348\">\u09e8\u09e8.\u09ea<\/span> \u09b2\u09bf\u099f\u09be\u09b0 \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09a1\u09be\u0987\u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 (CO<sub>2<\/sub>) \u0997\u09cd\u09af\u09be\u09b8 \u09aa\u09be\u0993\u09af\u09bc\u09be \u09af\u09be\u09af\u09bc\u0964\r\n\r\n<\/div>\n                                    <div class=\"mehruedu-seo-slide-item\">12 \u0997\u09cd\u09b0\u09be\u09ae \u0995\u09be\u09b0\u09cd\u09ac\u09a8\u0995\u09c7 (C) \u09ac\u09be\u09a4\u09be\u09b8\u09c7 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09a6\u09b9\u09a8 \u0995\u09b0\u09b2\u09c7 <span class=\"mehruedu-clickable-word\" data-explanation-id=\"cw_6a8effb8e453c\">\u09ea\u09ea<\/span> \u0997\u09cd\u09b0\u09be\u09ae \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09a1\u09be\u0987\u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 (CO<sub>2<\/sub>) \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u09b9\u09af\u09bc\u0964\r\n\r\n<\/div>\n                                    <div class=\"mehruedu-seo-slide-item\">2 \u09ae\u09cb\u09b2 \u09b9\u09be\u0987\u09a1\u09cd\u09b0\u09cb\u099c\u09c7\u09a8 (H<sub>2<\/sub>) \u098f\u09ac\u0982 1 \u09ae\u09cb\u09b2 \u0985\u0995\u09cd\u09b8\u09bf\u099c\u09c7\u09a8 (O<sub>2<\/sub>) \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3\u09ad\u09be\u09ac\u09c7 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u0995\u09b0\u09c7 <span class=\"mehruedu-clickable-word\" data-explanation-id=\"cw_6a8effb904607\">\u09e8<\/span> \u09ae\u09cb\u09b2 \u099c\u09b2 (H<sub>2<\/sub>O) \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u0995\u09b0\u09c7\u0964\r\n\r\n<\/div>\n                                    <div class=\"mehruedu-seo-slide-item\">\u09ae\u09cd\u09af\u09be\u0997\u09a8\u09c7\u09b6\u09bf\u09af\u09bc\u09be\u09ae\u09c7\u09b0 (Mg) \u09aa\u09be\u09b0\u09ae\u09be\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0 24 \u098f\u09ac\u0982 \u0985\u0995\u09cd\u09b8\u09bf\u099c\u09c7\u09a8\u09c7\u09b0 16\u0964 24 \u0997\u09cd\u09b0\u09be\u09ae \u09ae\u09cd\u09af\u09be\u0997\u09a8\u09c7\u09b6\u09bf\u09af\u09bc\u09be\u09ae \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09a6\u09b9\u09a8\u09c7 <span class=\"mehruedu-clickable-word\" data-explanation-id=\"cw_6a8effb92c344\">\u09ea\u09e6<\/span> \u0997\u09cd\u09b0\u09be\u09ae \u09ae\u09cd\u09af\u09be\u0997\u09a8\u09c7\u09b6\u09bf\u09af\u09bc\u09be\u09ae \u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 (MgO) \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09c7\u0964\r\n\r\n<\/div>\n                            <\/div>\n            <div class=\"mehruedu-explanation-animation-overlay\" style=\"display:none;\">\n                <div class=\"sound-wave\">\n                    <div class=\"bar\"><\/div>\n                    <div class=\"bar\"><\/div>\n                    <div class=\"bar\"><\/div>\n                    <div class=\"bar\"><\/div>\n                    <div class=\"bar\"><\/div>\n                    <div class=\"bar\"><\/div>\n                    <div class=\"bar\"><\/div>\n                    <div class=\"bar\"><\/div>\n                    <div class=\"bar\"><\/div>\n                    <div class=\"bar\"><\/div>\n                <\/div>\n            <\/div>\n            <div class=\"mehruedu-explanation-overlay\" style=\"display:none;\">\n                <div class=\"mehruedu-explanation-content\"><\/div><button class=\"mehruedu-explanation-close\">\u00d7<\/button>\n            <\/div>\n            <div class=\"mehruedu-settings-container slide-settings inline-mode\">\n                <button class=\"mehruedu-settings-button\" title=\"Settings\"><i class=\"fas fa-cog\"><\/i><\/button>\n                <div class=\"mehruedu-settings-panel\">\n                    <div class=\"setting-row\">\n                        <label for=\"mehruedu-slide-speech-toggle\">Reading Sound<\/label>\n                        <label class=\"mehruedu-toggle-switch\">\n                            <input type=\"checkbox\" id=\"mehruedu-slide-speech-toggle\" checked>\n                            <span class=\"mehruedu-slider\"><\/span>\n                        <\/label>\n                    <\/div>\n                    <div class=\"slide-speech-controls\">\n                        <div class=\"setting-row\">\n                            <label for=\"mehruedu-slide-speech-rate\">Speech Speed<\/label>\n                            <span class=\"speed-val\">Slow<\/span>\n                        <\/div>\n                        <input type=\"range\" id=\"mehruedu-slide-speech-rate\" min=\"0.5\" max=\"1.5\" step=\"0.1\" value=\"0.75\">\n                    <\/div>\n                <\/div>\n            <\/div>\n            <div class=\"mehruedu-knowledge-initial-info\">\n                <strong class=\"mehruedu-section-title\">\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u0997\u09a3\u09a8\u09be \u0993 \u0997\u09be\u09a3\u09bf\u09a4\u09bf\u0995 \u09b8\u09ae\u09b8\u09cd\u09af\u09be \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995\u09bf\u09a4 \u09a4\u09a5\u09cd\u09af\u09ae\u09be\u09b2\u09be<\/strong>\n                <p>Total Slides: <strong><span id=\"mehruedu-total-slides-display\">5<\/span><\/strong>\n                <\/p>\n                <div class=\"mehruedu-slide-range-selector\">\n                    <div class=\"range-inputs\">\n                        From: <input type=\"number\" id=\"mehruedu-slide-start-range\" value=\"1\" min=\"1\" max=\"5\">\n                        To: <input type=\"number\" id=\"mehruedu-slide-end-range\" value=\"5\" min=\"1\" max=\"5\">\n                    <\/div>\n                <\/div>\n                <button class=\"start-knowledge-slides\">Start Knowledge Slides<\/button>\n            <\/div>\n            <div class=\"mehruedu-knowledge-slides-area\" style=\"display: none;\">\n                <div class=\"slide-text-display\"><\/div>\n                <div class=\"slide-controls\"><button class=\"mehruedu-previous-slide-button\" title=\"Previous\">\u2190<\/button><button class=\"mehruedu-explain-button\" style=\"display: none;\">Explain<\/button><button class=\"mehruedu-next-slide-button\" title=\"Next\">\u2192<\/button><\/div>\n            <\/div>\n            <div class=\"mehruedu-scorecard slide-scorecard\" style=\"display: none;\"><\/div>\n        <\/div>\n            <div class=\"mehruedu-rating-section block-container\" data-quiz-id=\"871\">\n        <h4>Rate this Quiz<\/h4>\n        <div class=\"mehruedu-rating-summary\">\n            <p>Average Rating: <span class=\"avg-rating\">5<\/span> \/ 5 (<span class=\"rating-count\">1<\/span> votes)            <\/p>\n        <\/div>\n        <div class=\"mehruedu-rating-input-area\">\n            <p>Click on a star to rate:<\/p>\n            <div class=\"mehruedu-star-rating\">\n                <span class=\"star\" data-rating=\"5\">\u2605<\/span>\n                <span class=\"star\" data-rating=\"4\">\u2605<\/span>\n                <span class=\"star\" data-rating=\"3\">\u2605<\/span>\n                <span class=\"star\" data-rating=\"2\">\u2605<\/span>\n                <span class=\"star\" data-rating=\"1\">\u2605<\/span>\n            <\/div>\n        <\/div>\n        <div class=\"mehruedu-rating-thank-you\" style=\"display:none;\">Thanks for your rating!        <\/div>\n    <\/div>\n            <div class=\"mehruedu-quiz-container block-container\" data-quiz-id=\"871\" data-display-order=\"random\" data-ajax-url=\"https:\/\/qsh.in\/boards\/wbbse\/wp-admin\/admin-ajax.php\" data-nonce=\"c19e0c283f\" data-has-quiz-questions=\"true\">\n            <div class=\"mehruedu-feedback-overlay\" style=\"display:none;\">\n                <div class=\"mehruedu-feedback-overlay-content\"><\/div>\n            <\/div>\n            <div class=\"mehruedu-settings-container quiz-settings inline-mode\">\n                <button class=\"mehruedu-settings-button\" title=\"Settings\"><i class=\"fas fa-cog\"><\/i><\/button>\n                <div class=\"mehruedu-settings-panel\">\n                    <div class=\"setting-row\">\n                        <label for=\"mehruedu-quiz-speech-toggle\">Reading Sound<\/label>\n                        <label class=\"mehruedu-toggle-switch\">\n                            <input type=\"checkbox\" id=\"mehruedu-quiz-speech-toggle\" checked>\n                            <span class=\"mehruedu-slider\"><\/span>\n                        <\/label>\n                    <\/div>\n                    <div class=\"setting-row\">\n                        <label for=\"mehruedu-quiz-feedback-toggle\">Feedback Sound<\/label>\n                        <label class=\"mehruedu-toggle-switch\">\n                            <input type=\"checkbox\" id=\"mehruedu-quiz-feedback-toggle\" checked>\n                            <span class=\"mehruedu-slider\"><\/span>\n                        <\/label>\n                    <\/div>\n                    <div class=\"quiz-speech-controls\">\n                        <div class=\"setting-row\">\n                            <label for=\"mehruedu-quiz-speech-rate\">Speech Speed<\/label>\n                            <span class=\"speed-val\">Slow<\/span>\n                        <\/div>\n                        <input type=\"range\" id=\"mehruedu-quiz-speech-rate\" min=\"0.5\" max=\"1.5\" step=\"0.1\" value=\"0.75\">\n                    <\/div>\n                <\/div>\n            <\/div>\n            <div class=\"mehruedu-quiz-initial-info\">\n                <div class=\"quiz-icon\">\n                                        <img decoding=\"async\" src=\"https:\/\/qsh.in\/boards\/wbbse\/wp-content\/plugins\/Wp-rockct\/assets\/images\/quiz-icon.png\" alt=\"Quiz Icon\" style=\"width:40px; display:block; margin:0 auto;\" onerror=\"this.style.display='none';\">\n                    <strong class=\"mehruedu-section-title\">\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u0997\u09a3\u09a8\u09be \u0993 \u0997\u09be\u09a3\u09bf\u09a4\u09bf\u0995 \u09b8\u09ae\u09b8\u09cd\u09af\u09be \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995\u09bf\u09a4 \u0995\u09cd\u09af\u09c1\u0987\u099c<\/strong>\n                <\/div>\n                <p>Total Questions: <strong><span id=\"mehruedu-total-questions-display\">28<\/span><\/strong>\n                    | Total Marks: <strong><span id=\"mehruedu-total-marks-display\">40<\/span><\/strong><\/p>\n                <button class=\"start-quiz\">Start Quiz<\/button>\n            <\/div>\n            <div class=\"mehruedu-quiz-questions\" data-question-count=\"28\" style=\"display: none;\">\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"mcq\" data-question-index=\"0\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u0997\u09a3\u09a8\u09be\u09b0 \u0997\u09be\u09a3\u09bf\u09a4\u09bf\u0995 \u09b8\u09ae\u09b8\u09cd\u09af\u09be \u09b8\u09ae\u09be\u09a7\u09be\u09a8\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a5\u09ae \u0993 \u09aa\u09cd\u09b0\u09a7\u09be\u09a8 \u09a7\u09be\u09aa \u0995\u09cb\u09a8\u099f\u09bf?<\/p>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"\u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0 \u09ac\u09c7\u09b0 \u0995\u09b0\u09be\">\n                                        <input type=\"radio\" name=\"mcq_0\" value=\"\u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0 \u09ac\u09c7\u09b0 \u0995\u09b0\u09be\">\n                                        \u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0 \u09ac\u09c7\u09b0 \u0995\u09b0\u09be                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"\u0990\u0995\u09bf\u0995 \u09a8\u09bf\u09af\u09bc\u09ae \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u0997 \u0995\u09b0\u09be\">\n                                        <input type=\"radio\" name=\"mcq_0\" value=\"\u0990\u0995\u09bf\u0995 \u09a8\u09bf\u09af\u09bc\u09ae \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u0997 \u0995\u09b0\u09be\">\n                                        \u0990\u0995\u09bf\u0995 \u09a8\u09bf\u09af\u09bc\u09ae \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u0997 \u0995\u09b0\u09be                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u09c7\u09b0 \u09b8\u09ae\u09a4\u09be \u09ac\u09bf\u09a7\u09be\u09a8 (Balancing) \u0995\u09b0\u09be\">\n                                        <input type=\"radio\" name=\"mcq_0\" value=\"\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u09c7\u09b0 \u09b8\u09ae\u09a4\u09be \u09ac\u09bf\u09a7\u09be\u09a8 (Balancing) \u0995\u09b0\u09be\">\n                                        \u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u09c7\u09b0 \u09b8\u09ae\u09a4\u09be \u09ac\u09bf\u09a7\u09be\u09a8 (Balancing) \u0995\u09b0\u09be                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"\u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u0986\u09af\u09bc\u09a4\u09a8 \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u09be\">\n                                        <input type=\"radio\" name=\"mcq_0\" value=\"\u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u0986\u09af\u09bc\u09a4\u09a8 \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u09be\">\n                                        \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u0986\u09af\u09bc\u09a4\u09a8 \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u09be                                    <\/div>\n                                                                <input type=\"hidden\" class=\"correct-answer\" value=\"\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u09c7\u09b0 \u09b8\u09ae\u09a4\u09be \u09ac\u09bf\u09a7\u09be\u09a8 (Balancing) \u0995\u09b0\u09be\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"mcq\" data-question-index=\"1\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">STP-\u09a4\u09c7 44 \u0997\u09cd\u09b0\u09be\u09ae CO<sub>2<\/sub> \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u0986\u09af\u09bc\u09a4\u09a8 \u0995\u09a4?<\/p>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"11.2 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                        <input type=\"radio\" name=\"mcq_1\" value=\"11.2 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                        11.2 \u09b2\u09bf\u099f\u09be\u09b0                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"22.4 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                        <input type=\"radio\" name=\"mcq_1\" value=\"22.4 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                        22.4 \u09b2\u09bf\u099f\u09be\u09b0                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"44.8 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                        <input type=\"radio\" name=\"mcq_1\" value=\"44.8 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                        44.8 \u09b2\u09bf\u099f\u09be\u09b0                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"100 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                        <input type=\"radio\" name=\"mcq_1\" value=\"100 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                        100 \u09b2\u09bf\u099f\u09be\u09b0                                    <\/div>\n                                                                <input type=\"hidden\" class=\"correct-answer\" value=\"22.4 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"mcq\" data-question-index=\"2\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">1 \u09ae\u09cb\u09b2 \u0995\u09be\u09b0\u09cd\u09ac\u09a8 (12g) \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09aa\u09c1\u09a1\u09bc\u09c7 \u0995\u09a4 \u09ae\u09cb\u09b2 CO<sub>2<\/sub> \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09c7?<\/p>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"1 \u09ae\u09cb\u09b2\">\n                                        <input type=\"radio\" name=\"mcq_2\" value=\"1 \u09ae\u09cb\u09b2\">\n                                        1 \u09ae\u09cb\u09b2                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"2 \u09ae\u09cb\u09b2\">\n                                        <input type=\"radio\" name=\"mcq_2\" value=\"2 \u09ae\u09cb\u09b2\">\n                                        2 \u09ae\u09cb\u09b2                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"0.5 \u09ae\u09cb\u09b2\">\n                                        <input type=\"radio\" name=\"mcq_2\" value=\"0.5 \u09ae\u09cb\u09b2\">\n                                        0.5 \u09ae\u09cb\u09b2                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"44 \u09ae\u09cb\u09b2\">\n                                        <input type=\"radio\" name=\"mcq_2\" value=\"44 \u09ae\u09cb\u09b2\">\n                                        44 \u09ae\u09cb\u09b2                                    <\/div>\n                                                                <input type=\"hidden\" class=\"correct-answer\" value=\"1 \u09ae\u09cb\u09b2\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"mcq\" data-question-index=\"3\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">200g \u0995\u09cd\u09af\u09be\u09b2\u09b8\u09bf\u09af\u09bc\u09be\u09ae \u0995\u09be\u09b0\u09cd\u09ac\u09a8\u09c7\u099f (CaCO<sub>3<\/sub>) \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09ac\u09bf\u09af\u09bc\u09cb\u099c\u09bf\u09a4 \u09b9\u09af\u09bc\u09c7 \u0995\u09a4 \u0997\u09cd\u09b0\u09be\u09ae \u099a\u09c1\u09a8 (CaO) \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u0995\u09b0\u09ac\u09c7? (Ca=40, C=12, O=16)<\/p>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"56g\">\n                                        <input type=\"radio\" name=\"mcq_3\" value=\"56g\">\n                                        56g                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"100g\">\n                                        <input type=\"radio\" name=\"mcq_3\" value=\"100g\">\n                                        100g                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"112g\">\n                                        <input type=\"radio\" name=\"mcq_3\" value=\"112g\">\n                                        112g                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"200g\">\n                                        <input type=\"radio\" name=\"mcq_3\" value=\"200g\">\n                                        200g                                    <\/div>\n                                                                <input type=\"hidden\" class=\"correct-answer\" value=\"112g\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"mcq\" data-question-index=\"4\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">17g \u0985\u09cd\u09af\u09be\u09ae\u09cb\u09a8\u09bf\u09af\u09bc\u09be (NH<sub>3<\/sub>) \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 STP-\u09a4\u09c7 \u0986\u09af\u09bc\u09a4\u09a8 \u0995\u09a4?<\/p>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"17 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                        <input type=\"radio\" name=\"mcq_4\" value=\"17 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                        17 \u09b2\u09bf\u099f\u09be\u09b0                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"22.4 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                        <input type=\"radio\" name=\"mcq_4\" value=\"22.4 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                        22.4 \u09b2\u09bf\u099f\u09be\u09b0                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"11.2 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                        <input type=\"radio\" name=\"mcq_4\" value=\"11.2 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                        11.2 \u09b2\u09bf\u099f\u09be\u09b0                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"8.5 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                        <input type=\"radio\" name=\"mcq_4\" value=\"8.5 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                        8.5 \u09b2\u09bf\u099f\u09be\u09b0                                    <\/div>\n                                                                <input type=\"hidden\" class=\"correct-answer\" value=\"22.4 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"mcq\" data-question-index=\"5\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">36g \u099c\u09b2\u09c7\u09b0 (H<sub>2<\/sub>O) \u09a4\u09a1\u09bc\u09bf\u09ce \u09ac\u09bf\u09b6\u09cd\u09b2\u09c7\u09b7\u09a3\u09c7 \u0995\u09a4 \u0997\u09cd\u09b0\u09be\u09ae \u0985\u0995\u09cd\u09b8\u09bf\u099c\u09c7\u09a8 (O<sub>2<\/sub>) \u09aa\u09be\u0993\u09af\u09bc\u09be \u09af\u09be\u09af\u09bc?<\/p>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"16g\">\n                                        <input type=\"radio\" name=\"mcq_5\" value=\"16g\">\n                                        16g                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"32g\">\n                                        <input type=\"radio\" name=\"mcq_5\" value=\"32g\">\n                                        32g                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"18g\">\n                                        <input type=\"radio\" name=\"mcq_5\" value=\"18g\">\n                                        18g                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"2g\">\n                                        <input type=\"radio\" name=\"mcq_5\" value=\"2g\">\n                                        2g                                    <\/div>\n                                                                <input type=\"hidden\" class=\"correct-answer\" value=\"32g\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"mcq\" data-question-index=\"6\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u098f\u0995\u099f\u09bf \u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a5\u09c7\u0995\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u0995\u09cb\u09a8\u09cd \u09a4\u09a5\u09cd\u09af\u099f\u09bf \u099c\u09be\u09a8\u09be \u09af\u09be\u09af\u09bc \u09a8\u09be?<\/p>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"\u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u0995 \u0993 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099c\u09be\u09a4 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09c7\u09b0 \u09ad\u09b0\u09c7\u09b0 \u0985\u09a8\u09c1\u09aa\u09be\u09a4\">\n                                        <input type=\"radio\" name=\"mcq_6\" value=\"\u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u0995 \u0993 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099c\u09be\u09a4 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09c7\u09b0 \u09ad\u09b0\u09c7\u09b0 \u0985\u09a8\u09c1\u09aa\u09be\u09a4\">\n                                        \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u0995 \u0993 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099c\u09be\u09a4 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09c7\u09b0 \u09ad\u09b0\u09c7\u09b0 \u0985\u09a8\u09c1\u09aa\u09be\u09a4                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"\u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u0995 \u0993 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099c\u09be\u09a4 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09c7\u09b0 \u09ae\u09cb\u09b2 \u09b8\u0982\u0996\u09cd\u09af\u09be\">\n                                        <input type=\"radio\" name=\"mcq_6\" value=\"\u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u0995 \u0993 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099c\u09be\u09a4 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09c7\u09b0 \u09ae\u09cb\u09b2 \u09b8\u0982\u0996\u09cd\u09af\u09be\">\n                                        \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u0995 \u0993 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099c\u09be\u09a4 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09c7\u09b0 \u09ae\u09cb\u09b2 \u09b8\u0982\u0996\u09cd\u09af\u09be                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"\u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u09b0 \u0997\u09a4\u09bf \u09ac\u09be \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099f\u09bf \u09b8\u09ae\u09cd\u09aa\u09a8\u09cd\u09a8 \u09b9\u0993\u09af\u09bc\u09be\u09b0 \u09b8\u09ae\u09af\u09bc\">\n                                        <input type=\"radio\" name=\"mcq_6\" value=\"\u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u09b0 \u0997\u09a4\u09bf \u09ac\u09be \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099f\u09bf \u09b8\u09ae\u09cd\u09aa\u09a8\u09cd\u09a8 \u09b9\u0993\u09af\u09bc\u09be\u09b0 \u09b8\u09ae\u09af\u09bc\">\n                                        \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u09b0 \u0997\u09a4\u09bf \u09ac\u09be \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099f\u09bf \u09b8\u09ae\u09cd\u09aa\u09a8\u09cd\u09a8 \u09b9\u0993\u09af\u09bc\u09be\u09b0 \u09b8\u09ae\u09af\u09bc                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"\u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u0997\u09c1\u09b2\u09bf\u09b0 \u0997\u09cd\u09af\u09be\u09b8\u09c0\u09af\u09bc \u0986\u09af\u09bc\u09a4\u09a8 (\u09af\u09a6\u09bf \u0997\u09cd\u09af\u09be\u09b8 \u09b9\u09af\u09bc)\">\n                                        <input type=\"radio\" name=\"mcq_6\" value=\"\u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u0997\u09c1\u09b2\u09bf\u09b0 \u0997\u09cd\u09af\u09be\u09b8\u09c0\u09af\u09bc \u0986\u09af\u09bc\u09a4\u09a8 (\u09af\u09a6\u09bf \u0997\u09cd\u09af\u09be\u09b8 \u09b9\u09af\u09bc)\">\n                                        \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u0997\u09c1\u09b2\u09bf\u09b0 \u0997\u09cd\u09af\u09be\u09b8\u09c0\u09af\u09bc \u0986\u09af\u09bc\u09a4\u09a8 (\u09af\u09a6\u09bf \u0997\u09cd\u09af\u09be\u09b8 \u09b9\u09af\u09bc)                                    <\/div>\n                                                                <input type=\"hidden\" class=\"correct-answer\" value=\"\u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u09b0 \u0997\u09a4\u09bf \u09ac\u09be \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099f\u09bf \u09b8\u09ae\u09cd\u09aa\u09a8\u09cd\u09a8 \u09b9\u0993\u09af\u09bc\u09be\u09b0 \u09b8\u09ae\u09af\u09bc\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"mcq\" data-question-index=\"7\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">1 \u09ae\u09cb\u09b2 \u09aa\u09b0\u09bf\u09ae\u09be\u09a3 \u09af\u09c7\u0995\u09cb\u09a8\u09cb \u0997\u09cd\u09af\u09be\u09b8\u09c7 \u0985\u09a3\u09c1\u09b0 \u09b8\u0982\u0996\u09cd\u09af\u09be \u0995\u09a4?<\/p>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"\u09ec.\u09e6\u09e8\u09e8 \u00d7 \u09e7\u09e6&lt;sup&gt;\u09e8\u09e6&lt;\/sup&gt;\">\n                                        <input type=\"radio\" name=\"mcq_7\" value=\"\u09ec.\u09e6\u09e8\u09e8 \u00d7 \u09e7\u09e6&lt;sup&gt;\u09e8\u09e6&lt;\/sup&gt;\">\n                                        \u09ec.\u09e6\u09e8\u09e8 \u00d7 \u09e7\u09e6<sup>\u09e8\u09e6<\/sup>                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"\u09ec.\u09e6\u09e8\u09e8 \u00d7 \u09e7\u09e6&lt;sup&gt;\u09e8\u09e9&lt;\/sup&gt;\">\n                                        <input type=\"radio\" name=\"mcq_7\" value=\"\u09ec.\u09e6\u09e8\u09e8 \u00d7 \u09e7\u09e6&lt;sup&gt;\u09e8\u09e9&lt;\/sup&gt;\">\n                                        \u09ec.\u09e6\u09e8\u09e8 \u00d7 \u09e7\u09e6<sup>\u09e8\u09e9<\/sup>                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"\u09ec.\u09e6\u09e8\u09e8 \u00d7 \u09e7\u09e6&lt;sup&gt;-\u09e8\u09e9&lt;\/sup&gt;\">\n                                        <input type=\"radio\" name=\"mcq_7\" value=\"\u09ec.\u09e6\u09e8\u09e8 \u00d7 \u09e7\u09e6&lt;sup&gt;-\u09e8\u09e9&lt;\/sup&gt;\">\n                                        \u09ec.\u09e6\u09e8\u09e8 \u00d7 \u09e7\u09e6<sup>-\u09e8\u09e9<\/sup>                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"\u0985\u09b8\u09c0\u09ae\">\n                                        <input type=\"radio\" name=\"mcq_7\" value=\"\u0985\u09b8\u09c0\u09ae\">\n                                        \u0985\u09b8\u09c0\u09ae                                    <\/div>\n                                                                <input type=\"hidden\" class=\"correct-answer\" value=\"\u09ec.\u09e6\u09e8\u09e8 \u00d7 \u09e7\u09e6&lt;sup&gt;\u09e8\u09e9&lt;\/sup&gt;\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"mcq\" data-question-index=\"8\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">10 \u0997\u09cd\u09b0\u09be\u09ae \u0995\u09cd\u09af\u09be\u09b2\u09b8\u09bf\u09af\u09bc\u09be\u09ae \u0995\u09be\u09b0\u09cd\u09ac\u09a8\u09c7\u099f\u09c7 (CaCO<sub>3<\/sub>) \u09ae\u09cb\u09b2 \u09b8\u0982\u0996\u09cd\u09af\u09be \u0995\u09a4?<\/p>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"1 \u09ae\u09cb\u09b2\">\n                                        <input type=\"radio\" name=\"mcq_8\" value=\"1 \u09ae\u09cb\u09b2\">\n                                        1 \u09ae\u09cb\u09b2                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"10 \u09ae\u09cb\u09b2\">\n                                        <input type=\"radio\" name=\"mcq_8\" value=\"10 \u09ae\u09cb\u09b2\">\n                                        10 \u09ae\u09cb\u09b2                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"0.1 \u09ae\u09cb\u09b2\">\n                                        <input type=\"radio\" name=\"mcq_8\" value=\"0.1 \u09ae\u09cb\u09b2\">\n                                        0.1 \u09ae\u09cb\u09b2                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"100 \u09ae\u09cb\u09b2\">\n                                        <input type=\"radio\" name=\"mcq_8\" value=\"100 \u09ae\u09cb\u09b2\">\n                                        100 \u09ae\u09cb\u09b2                                    <\/div>\n                                                                <input type=\"hidden\" class=\"correct-answer\" value=\"0.1 \u09ae\u09cb\u09b2\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"mcq\" data-question-index=\"9\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">32 \u0997\u09cd\u09b0\u09be\u09ae \u09b8\u09be\u09b2\u09ab\u09be\u09b0 (S) \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09a6\u09b9\u09a8\u09c7 \u0995\u09a4 \u0997\u09cd\u09b0\u09be\u09ae \u09b8\u09be\u09b2\u09ab\u09be\u09b0 \u09a1\u09be\u0987\u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 (SO<sub>2<\/sub>) \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u0995\u09b0\u09c7? (S=32, O=16)<\/p>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"32g\">\n                                        <input type=\"radio\" name=\"mcq_9\" value=\"32g\">\n                                        32g                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"48g\">\n                                        <input type=\"radio\" name=\"mcq_9\" value=\"48g\">\n                                        48g                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"64g\">\n                                        <input type=\"radio\" name=\"mcq_9\" value=\"64g\">\n                                        64g                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"16g\">\n                                        <input type=\"radio\" name=\"mcq_9\" value=\"16g\">\n                                        16g                                    <\/div>\n                                                                <input type=\"hidden\" class=\"correct-answer\" value=\"64g\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"mcq\" data-question-index=\"10\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u0997\u09a3\u09a8\u09be\u09af\u09bc \u09ad\u09b0\u09c7\u09b0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u09bf\u0995 \u098f\u0995\u0995 \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u09b8\u09be\u09a7\u09be\u09b0\u09a3\u09a4 \u0995\u09c0 \u09a7\u09b0\u09be \u09b9\u09af\u09bc?<\/p>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"\u0995\u09bf\u09b2\u09cb\u0997\u09cd\u09b0\u09be\u09ae\">\n                                        <input type=\"radio\" name=\"mcq_10\" value=\"\u0995\u09bf\u09b2\u09cb\u0997\u09cd\u09b0\u09be\u09ae\">\n                                        \u0995\u09bf\u09b2\u09cb\u0997\u09cd\u09b0\u09be\u09ae                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"\u09ae\u09bf\u09b2\u09bf\u0997\u09cd\u09b0\u09be\u09ae\">\n                                        <input type=\"radio\" name=\"mcq_10\" value=\"\u09ae\u09bf\u09b2\u09bf\u0997\u09cd\u09b0\u09be\u09ae\">\n                                        \u09ae\u09bf\u09b2\u09bf\u0997\u09cd\u09b0\u09be\u09ae                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"\u0997\u09cd\u09b0\u09be\u09ae\">\n                                        <input type=\"radio\" name=\"mcq_10\" value=\"\u0997\u09cd\u09b0\u09be\u09ae\">\n                                        \u0997\u09cd\u09b0\u09be\u09ae                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"\u09aa\u09be\u0989\u09a8\u09cd\u09a1\">\n                                        <input type=\"radio\" name=\"mcq_10\" value=\"\u09aa\u09be\u0989\u09a8\u09cd\u09a1\">\n                                        \u09aa\u09be\u0989\u09a8\u09cd\u09a1                                    <\/div>\n                                                                <input type=\"hidden\" class=\"correct-answer\" value=\"\u0997\u09cd\u09b0\u09be\u09ae\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"mcq\" data-question-index=\"11\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">4 \u0997\u09cd\u09b0\u09be\u09ae \u09b9\u09be\u0987\u09a1\u09cd\u09b0\u09cb\u099c\u09c7\u09a8 (H<sub>2<\/sub>) \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u09ae\u09cb\u09b2 \u09b8\u0982\u0996\u09cd\u09af\u09be \u0995\u09a4?<\/p>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"1 \u09ae\u09cb\u09b2\">\n                                        <input type=\"radio\" name=\"mcq_11\" value=\"1 \u09ae\u09cb\u09b2\">\n                                        1 \u09ae\u09cb\u09b2                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"2 \u09ae\u09cb\u09b2\">\n                                        <input type=\"radio\" name=\"mcq_11\" value=\"2 \u09ae\u09cb\u09b2\">\n                                        2 \u09ae\u09cb\u09b2                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"4 \u09ae\u09cb\u09b2\">\n                                        <input type=\"radio\" name=\"mcq_11\" value=\"4 \u09ae\u09cb\u09b2\">\n                                        4 \u09ae\u09cb\u09b2                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"0.5 \u09ae\u09cb\u09b2\">\n                                        <input type=\"radio\" name=\"mcq_11\" value=\"0.5 \u09ae\u09cb\u09b2\">\n                                        0.5 \u09ae\u09cb\u09b2                                    <\/div>\n                                                                <input type=\"hidden\" class=\"correct-answer\" value=\"2 \u09ae\u09cb\u09b2\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"mcq\" data-question-index=\"12\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">STP-\u09a4\u09c7 22.4 \u09b2\u09bf\u099f\u09be\u09b0 \u0985\u0995\u09cd\u09b8\u09bf\u099c\u09c7\u09a8 (O<sub>2<\/sub>) \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u09ad\u09b0 \u0995\u09a4?<\/p>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"16 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                        <input type=\"radio\" name=\"mcq_12\" value=\"16 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                        16 \u0997\u09cd\u09b0\u09be\u09ae                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"32 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                        <input type=\"radio\" name=\"mcq_12\" value=\"32 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                        32 \u0997\u09cd\u09b0\u09be\u09ae                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"64 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                        <input type=\"radio\" name=\"mcq_12\" value=\"64 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                        64 \u0997\u09cd\u09b0\u09be\u09ae                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"8 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                        <input type=\"radio\" name=\"mcq_12\" value=\"8 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                        8 \u0997\u09cd\u09b0\u09be\u09ae                                    <\/div>\n                                                                <input type=\"hidden\" class=\"correct-answer\" value=\"32 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"mcq\" data-question-index=\"13\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u0995\u09cb\u09a8\u09cb \u0996\u09a8\u09bf\u099c\u09c7 50% \u09ac\u09bf\u09b6\u09c1\u09a6\u09cd\u09a7 \u09b2\u09cb\u09b9\u09be (Fe) \u09a5\u09be\u0995\u09b2\u09c7, 200 \u0997\u09cd\u09b0\u09be\u09ae \u0996\u09a8\u09bf\u099c \u09a5\u09c7\u0995\u09c7 \u0995\u09a4 \u0997\u09cd\u09b0\u09be\u09ae \u09ac\u09bf\u09b6\u09c1\u09a6\u09cd\u09a7 \u09b2\u09cb\u09b9\u09be \u09aa\u09be\u0993\u09af\u09bc\u09be \u09af\u09be\u09ac\u09c7?<\/p>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"50 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                        <input type=\"radio\" name=\"mcq_13\" value=\"50 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                        50 \u0997\u09cd\u09b0\u09be\u09ae                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"100 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                        <input type=\"radio\" name=\"mcq_13\" value=\"100 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                        100 \u0997\u09cd\u09b0\u09be\u09ae                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"200 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                        <input type=\"radio\" name=\"mcq_13\" value=\"200 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                        200 \u0997\u09cd\u09b0\u09be\u09ae                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"150 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                        <input type=\"radio\" name=\"mcq_13\" value=\"150 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                        150 \u0997\u09cd\u09b0\u09be\u09ae                                    <\/div>\n                                                                <input type=\"hidden\" class=\"correct-answer\" value=\"100 \u0997\u09cd\u09b0\u09be\u09ae\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"mcq\" data-question-index=\"14\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u099c\u09b2\u09c7\u09b0 (H<sub>2<\/sub>O) \u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0 \u0995\u09a4? (H=1, O=16)<\/p>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"16\">\n                                        <input type=\"radio\" name=\"mcq_14\" value=\"16\">\n                                        16                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"17\">\n                                        <input type=\"radio\" name=\"mcq_14\" value=\"17\">\n                                        17                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"18\">\n                                        <input type=\"radio\" name=\"mcq_14\" value=\"18\">\n                                        18                                    <\/div>\n                                                                    <div class=\"mehruedu-mcq-option\" data-option=\"20\">\n                                        <input type=\"radio\" name=\"mcq_14\" value=\"20\">\n                                        20                                    <\/div>\n                                                                <input type=\"hidden\" class=\"correct-answer\" value=\"18\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"pair_matching\" data-question-index=\"15\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u09ac\u09be\u09ae \u09b8\u09cd\u09a4\u09ae\u09cd\u09ad\u09c7\u09b0 \u09b8\u0999\u09cd\u0997\u09c7 \u09a1\u09be\u09a8 \u09b8\u09cd\u09a4\u09ae\u09cd\u09ad \u09ae\u09c7\u09b2\u09be\u0993\u0964<\/p>\n                                                                <div class=\"pair-matching-container\">\n                                    <div class=\"left-pairs\">\n                                                                                    <div class=\"pair-item left-item\" data-pair-left=\"O&lt;sub&gt;2&lt;\/sub&gt; \u098f\u09b0 \u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0\">\n                                                O<sub>2<\/sub> \u098f\u09b0 \u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0<\/div>\n                                                                                    <div class=\"pair-item left-item\" data-pair-left=\"CaCO&lt;sub&gt;3&lt;\/sub&gt; \u098f\u09b0 \u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0\">\n                                                CaCO<sub>3<\/sub> \u098f\u09b0 \u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0<\/div>\n                                                                                    <div class=\"pair-item left-item\" data-pair-left=\"H&lt;sub&gt;2&lt;\/sub&gt;O \u098f\u09b0 \u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0\">\n                                                H<sub>2<\/sub>O \u098f\u09b0 \u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0<\/div>\n                                                                                    <div class=\"pair-item left-item\" data-pair-left=\"CO&lt;sub&gt;2&lt;\/sub&gt; \u098f\u09b0 \u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0\">\n                                                CO<sub>2<\/sub> \u098f\u09b0 \u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0<\/div>\n                                                                                    <div class=\"pair-item left-item\" data-pair-left=\"NH&lt;sub&gt;3&lt;\/sub&gt; \u098f\u09b0 \u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0\">\n                                                NH<sub>3<\/sub> \u098f\u09b0 \u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0<\/div>\n                                                                            <\/div>\n                                    <div class=\"right-pairs\">\n                                                                                    <div class=\"pair-item right-item\" data-pair-right=\"32\">\n                                                32<\/div>\n                                                                                    <div class=\"pair-item right-item\" data-pair-right=\"44\">\n                                                44<\/div>\n                                                                                    <div class=\"pair-item right-item\" data-pair-right=\"18\">\n                                                18<\/div>\n                                                                                    <div class=\"pair-item right-item\" data-pair-right=\"100\">\n                                                100<\/div>\n                                                                                    <div class=\"pair-item right-item\" data-pair-right=\"17\">\n                                                17<\/div>\n                                                                            <\/div>\n                                <\/div>\n                                <input type=\"hidden\" class=\"correct-pairs\" value='[\"H&lt;sub&gt;2&lt;\\\/sub&gt;O \\u098f\\u09b0 \\u0986\\u09a3\\u09ac\\u09bf\\u0995 \\u09ad\\u09b0,18\",\"CO&lt;sub&gt;2&lt;\\\/sub&gt; \\u098f\\u09b0 \\u0986\\u09a3\\u09ac\\u09bf\\u0995 \\u09ad\\u09b0,44\",\"NH&lt;sub&gt;3&lt;\\\/sub&gt; \\u098f\\u09b0 \\u0986\\u09a3\\u09ac\\u09bf\\u0995 \\u09ad\\u09b0,17\",\"O&lt;sub&gt;2&lt;\\\/sub&gt; \\u098f\\u09b0 \\u0986\\u09a3\\u09ac\\u09bf\\u0995 \\u09ad\\u09b0,32\",\"CaCO&lt;sub&gt;3&lt;\\\/sub&gt; \\u098f\\u09b0 \\u0986\\u09a3\\u09ac\\u09bf\\u0995 \\u09ad\\u09b0,100\"]'>\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"pair_matching\" data-question-index=\"16\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u09ac\u09be\u09ae \u09b8\u09cd\u09a4\u09ae\u09cd\u09ad\u09c7\u09b0 \u09b8\u0999\u09cd\u0997\u09c7 \u09a1\u09be\u09a8 \u09b8\u09cd\u09a4\u09ae\u09cd\u09ad \u09ae\u09c7\u09b2\u09be\u0993\u0964<\/p>\n                                                                <div class=\"pair-matching-container\">\n                                    <div class=\"left-pairs\">\n                                                                                    <div class=\"pair-item left-item\" data-pair-left=\"\u09ae\u09cb\u09b2\u09be\u09b0 \u0986\u09af\u09bc\u09a4\u09a8 (STP)\">\n                                                \u09ae\u09cb\u09b2\u09be\u09b0 \u0986\u09af\u09bc\u09a4\u09a8 (STP)<\/div>\n                                                                                    <div class=\"pair-item left-item\" data-pair-left=\"S + O&lt;sub&gt;2&lt;\/sub&gt; \u2794 SO&lt;sub&gt;2&lt;\/sub&gt;\">\n                                                S + O<sub>2<\/sub> \u2794 SO<sub>2<\/sub><\/div>\n                                                                                    <div class=\"pair-item left-item\" data-pair-left=\"CaCO&lt;sub&gt;3&lt;\/sub&gt; \u2794 CaO + CO&lt;sub&gt;2&lt;\/sub&gt;\">\n                                                CaCO<sub>3<\/sub> \u2794 CaO + CO<sub>2<\/sub><\/div>\n                                                                                    <div class=\"pair-item left-item\" data-pair-left=\"2H&lt;sub&gt;2&lt;\/sub&gt; + O&lt;sub&gt;2&lt;\/sub&gt; \u2794 2H&lt;sub&gt;2&lt;\/sub&gt;O\">\n                                                2H<sub>2<\/sub> + O<sub>2<\/sub> \u2794 2H<sub>2<\/sub>O<\/div>\n                                                                                    <div class=\"pair-item left-item\" data-pair-left=\"C + O&lt;sub&gt;2&lt;\/sub&gt; \u2794 CO&lt;sub&gt;2&lt;\/sub&gt;\">\n                                                C + O<sub>2<\/sub> \u2794 CO<sub>2<\/sub><\/div>\n                                                                            <\/div>\n                                    <div class=\"right-pairs\">\n                                                                                    <div class=\"pair-item right-item\" data-pair-right=\"12g C \u09a5\u09c7\u0995\u09c7 44g CO&lt;sub&gt;2&lt;\/sub&gt;\">\n                                                12g C \u09a5\u09c7\u0995\u09c7 44g CO<sub>2<\/sub><\/div>\n                                                                                    <div class=\"pair-item right-item\" data-pair-right=\"32g S \u09a5\u09c7\u0995\u09c7 64g SO&lt;sub&gt;2&lt;\/sub&gt;\">\n                                                32g S \u09a5\u09c7\u0995\u09c7 64g SO<sub>2<\/sub><\/div>\n                                                                                    <div class=\"pair-item right-item\" data-pair-right=\"100g \u09a5\u09c7\u0995\u09c7 56g CaO\">\n                                                100g \u09a5\u09c7\u0995\u09c7 56g CaO<\/div>\n                                                                                    <div class=\"pair-item right-item\" data-pair-right=\"22.4 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                                22.4 \u09b2\u09bf\u099f\u09be\u09b0<\/div>\n                                                                                    <div class=\"pair-item right-item\" data-pair-right=\"4g H&lt;sub&gt;2&lt;\/sub&gt; \u09a5\u09c7\u0995\u09c7 36g H&lt;sub&gt;2&lt;\/sub&gt;O\">\n                                                4g H<sub>2<\/sub> \u09a5\u09c7\u0995\u09c7 36g H<sub>2<\/sub>O<\/div>\n                                                                            <\/div>\n                                <\/div>\n                                <input type=\"hidden\" class=\"correct-pairs\" value='[\"C + O&lt;sub&gt;2&lt;\\\/sub&gt; \\u2794 CO&lt;sub&gt;2&lt;\\\/sub&gt;,12g C \\u09a5\\u09c7\\u0995\\u09c7 44g CO&lt;sub&gt;2&lt;\\\/sub&gt;\",\"CaCO&lt;sub&gt;3&lt;\\\/sub&gt; \\u2794 CaO + CO&lt;sub&gt;2&lt;\\\/sub&gt;,100g \\u09a5\\u09c7\\u0995\\u09c7 56g CaO\",\"2H&lt;sub&gt;2&lt;\\\/sub&gt; + O&lt;sub&gt;2&lt;\\\/sub&gt; \\u2794 2H&lt;sub&gt;2&lt;\\\/sub&gt;O,4g H&lt;sub&gt;2&lt;\\\/sub&gt; \\u09a5\\u09c7\\u0995\\u09c7 36g H&lt;sub&gt;2&lt;\\\/sub&gt;O\",\"S + O&lt;sub&gt;2&lt;\\\/sub&gt; \\u2794 SO&lt;sub&gt;2&lt;\\\/sub&gt;,32g S \\u09a5\\u09c7\\u0995\\u09c7 64g SO&lt;sub&gt;2&lt;\\\/sub&gt;\",\"\\u09ae\\u09cb\\u09b2\\u09be\\u09b0 \\u0986\\u09af\\u09bc\\u09a4\\u09a8 (STP),22.4 \\u09b2\\u09bf\\u099f\\u09be\\u09b0\"]'>\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"pair_matching\" data-question-index=\"17\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u09ac\u09be\u09ae \u09b8\u09cd\u09a4\u09ae\u09cd\u09ad\u09c7\u09b0 \u09b8\u0999\u09cd\u0997\u09c7 \u09a1\u09be\u09a8 \u09b8\u09cd\u09a4\u09ae\u09cd\u09ad \u09ae\u09c7\u09b2\u09be\u0993\u0964<\/p>\n                                                                <div class=\"pair-matching-container\">\n                                    <div class=\"left-pairs\">\n                                                                                    <div class=\"pair-item left-item\" data-pair-left=\"4g H&lt;sub&gt;2&lt;\/sub&gt; \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u0986\u09af\u09bc\u09a4\u09a8 (STP)\">\n                                                4g H<sub>2<\/sub> \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u0986\u09af\u09bc\u09a4\u09a8 (STP)<\/div>\n                                                                                    <div class=\"pair-item left-item\" data-pair-left=\"\u0985\u09cd\u09af\u09be\u09ad\u09cb\u0997\u09be\u09a1\u09cd\u09b0\u09cb \u09b8\u0982\u0996\u09cd\u09af\u09be\">\n                                                \u0985\u09cd\u09af\u09be\u09ad\u09cb\u0997\u09be\u09a1\u09cd\u09b0\u09cb \u09b8\u0982\u0996\u09cd\u09af\u09be<\/div>\n                                                                                    <div class=\"pair-item left-item\" data-pair-left=\"\u09ad\u09b0\u09c7\u09b0 \u09a8\u09bf\u09a4\u09cd\u09af\u09a4\u09be \u09b8\u09c2\u09a4\u09cd\u09b0\">\n                                                \u09ad\u09b0\u09c7\u09b0 \u09a8\u09bf\u09a4\u09cd\u09af\u09a4\u09be \u09b8\u09c2\u09a4\u09cd\u09b0<\/div>\n                                                                                    <div class=\"pair-item left-item\" data-pair-left=\"\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\">\n                                                \u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3<\/div>\n                                                                                    <div class=\"pair-item left-item\" data-pair-left=\"\u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u09b0 \u09b8\u09ae\u09af\u09bc \u09ac\u09be \u09ac\u09c7\u0997\">\n                                                \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u09b0 \u09b8\u09ae\u09af\u09bc \u09ac\u09be \u09ac\u09c7\u0997<\/div>\n                                                                            <\/div>\n                                    <div class=\"right-pairs\">\n                                                                                    <div class=\"pair-item right-item\" data-pair-right=\"\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a5\u09c7\u0995\u09c7 \u099c\u09be\u09a8\u09be \u09af\u09be\u09af\u09bc \u09a8\u09be\">\n                                                \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a5\u09c7\u0995\u09c7 \u099c\u09be\u09a8\u09be \u09af\u09be\u09af\u09bc \u09a8\u09be<\/div>\n                                                                                    <div class=\"pair-item right-item\" data-pair-right=\"6.022 \u00d7 10&lt;sup&gt;23&lt;\/sup&gt;\">\n                                                6.022 \u00d7 10<sup>23<\/sup><\/div>\n                                                                                    <div class=\"pair-item right-item\" data-pair-right=\"44.8 \u09b2\u09bf\u099f\u09be\u09b0\">\n                                                44.8 \u09b2\u09bf\u099f\u09be\u09b0<\/div>\n                                                                                    <div class=\"pair-item right-item\" data-pair-right=\"\u09b8\u09ae\u09a4\u09be \u09ac\u09bf\u09a7\u09be\u09a8 (Balancing) \u0986\u09ac\u09b6\u09cd\u09af\u0995\">\n                                                \u09b8\u09ae\u09a4\u09be \u09ac\u09bf\u09a7\u09be\u09a8 (Balancing) \u0986\u09ac\u09b6\u09cd\u09af\u0995<\/div>\n                                                                                    <div class=\"pair-item right-item\" data-pair-right=\"\u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u0995 = \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099c\u09be\u09a4 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09c7\u09b0 \u09ad\u09b0\">\n                                                \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u0995 = \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099c\u09be\u09a4 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09c7\u09b0 \u09ad\u09b0<\/div>\n                                                                            <\/div>\n                                <\/div>\n                                <input type=\"hidden\" class=\"correct-pairs\" value='[\"\\u09b0\\u09be\\u09b8\\u09be\\u09af\\u09bc\\u09a8\\u09bf\\u0995 \\u09b8\\u09ae\\u09c0\\u0995\\u09b0\\u09a3,\\u09b8\\u09ae\\u09a4\\u09be \\u09ac\\u09bf\\u09a7\\u09be\\u09a8 (Balancing) \\u0986\\u09ac\\u09b6\\u09cd\\u09af\\u0995\",\"\\u09ac\\u09bf\\u0995\\u09cd\\u09b0\\u09bf\\u09af\\u09bc\\u09be\\u09b0 \\u09b8\\u09ae\\u09af\\u09bc \\u09ac\\u09be \\u09ac\\u09c7\\u0997,\\u09b8\\u09ae\\u09c0\\u0995\\u09b0\\u09a3 \\u09a5\\u09c7\\u0995\\u09c7 \\u099c\\u09be\\u09a8\\u09be \\u09af\\u09be\\u09af\\u09bc \\u09a8\\u09be\",\"\\u0985\\u09cd\\u09af\\u09be\\u09ad\\u09cb\\u0997\\u09be\\u09a1\\u09cd\\u09b0\\u09cb \\u09b8\\u0982\\u0996\\u09cd\\u09af\\u09be,6.022 \\u00d7 10&lt;sup&gt;23&lt;\\\/sup&gt;\",\"\\u09ad\\u09b0\\u09c7\\u09b0 \\u09a8\\u09bf\\u09a4\\u09cd\\u09af\\u09a4\\u09be \\u09b8\\u09c2\\u09a4\\u09cd\\u09b0,\\u09ac\\u09bf\\u0995\\u09cd\\u09b0\\u09bf\\u09af\\u09bc\\u0995 = \\u09ac\\u09bf\\u0995\\u09cd\\u09b0\\u09bf\\u09af\\u09bc\\u09be\\u099c\\u09be\\u09a4 \\u09aa\\u09a6\\u09be\\u09b0\\u09cd\\u09a5\\u09c7\\u09b0 \\u09ad\\u09b0\",\"4g H&lt;sub&gt;2&lt;\\\/sub&gt; \\u0997\\u09cd\\u09af\\u09be\\u09b8\\u09c7\\u09b0 \\u0986\\u09af\\u09bc\\u09a4\\u09a8 (STP),44.8 \\u09b2\\u09bf\\u099f\\u09be\\u09b0\"]'>\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"true_false\" data-question-index=\"18\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u09b8\u09a4\u09cd\u09af \u09a8\u09be \u09ae\u09bf\u09a5\u09cd\u09af\u09be \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u09cb\u0964<\/p>\n                                <p class=\"question-description\">\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u0997\u09a3\u09a8\u09be \u0995\u09b0\u09a4\u09c7 \u09b9\u09b2\u09c7 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u09c7\u09b0 \u09b8\u09ae\u09a4\u09be \u09ac\u09bf\u09a7\u09be\u09a8 (Balancing) \u0995\u09b0\u09be \u09ac\u09be\u09a7\u09cd\u09af\u09a4\u09be\u09ae\u09c2\u09b2\u0995\u0964<\/p>\n                                <label><input type=\"radio\" name=\"tf_18\" value=\"True\"> True<\/label>\n                                <label><input type=\"radio\" name=\"tf_18\" value=\"False\"> False<\/label>\n                                <input type=\"hidden\" class=\"correct-answer\" value=\"True\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"true_false\" data-question-index=\"19\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u09b8\u09a4\u09cd\u09af \u09a8\u09be \u09ae\u09bf\u09a5\u09cd\u09af\u09be \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u09cb\u0964<\/p>\n                                <p class=\"question-description\">100 \u0997\u09cd\u09b0\u09be\u09ae CaCO<sub>3<\/sub> \u09ac\u09bf\u09af\u09bc\u09cb\u099c\u09bf\u09a4 \u09b9\u09af\u09bc\u09c7 100 \u0997\u09cd\u09b0\u09be\u09ae CO<sub>2<\/sub> \u0997\u09cd\u09af\u09be\u09b8 \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u0995\u09b0\u09c7\u0964<\/p>\n                                <label><input type=\"radio\" name=\"tf_19\" value=\"True\"> True<\/label>\n                                <label><input type=\"radio\" name=\"tf_19\" value=\"False\"> False<\/label>\n                                <input type=\"hidden\" class=\"correct-answer\" value=\"False\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"true_false\" data-question-index=\"20\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u09b8\u09a4\u09cd\u09af \u09a8\u09be \u09ae\u09bf\u09a5\u09cd\u09af\u09be \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u09cb\u0964<\/p>\n                                <p class=\"question-description\">STP-\u09a4\u09c7 2 \u0997\u09cd\u09b0\u09be\u09ae \u09b9\u09be\u0987\u09a1\u09cd\u09b0\u09cb\u099c\u09c7\u09a8 (H<sub>2<\/sub>) \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u0986\u09af\u09bc\u09a4\u09a8 22.4 \u09b2\u09bf\u099f\u09be\u09b0\u0964<\/p>\n                                <label><input type=\"radio\" name=\"tf_20\" value=\"True\"> True<\/label>\n                                <label><input type=\"radio\" name=\"tf_20\" value=\"False\"> False<\/label>\n                                <input type=\"hidden\" class=\"correct-answer\" value=\"True\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"true_false\" data-question-index=\"21\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u09b8\u09a4\u09cd\u09af \u09a8\u09be \u09ae\u09bf\u09a5\u09cd\u09af\u09be \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u09cb\u0964<\/p>\n                                <p class=\"question-description\">\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09a5\u09c7\u0995\u09c7 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099f\u09bf \u0995\u09a4\u0995\u09cd\u09b7\u09a3\u09c7 \u09b6\u09c7\u09b7 \u09b9\u09ac\u09c7 \u09a4\u09be \u099c\u09be\u09a8\u09be \u09af\u09be\u09af\u09bc\u0964<\/p>\n                                <label><input type=\"radio\" name=\"tf_21\" value=\"True\"> True<\/label>\n                                <label><input type=\"radio\" name=\"tf_21\" value=\"False\"> False<\/label>\n                                <input type=\"hidden\" class=\"correct-answer\" value=\"False\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"true_false\" data-question-index=\"22\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u09b8\u09a4\u09cd\u09af \u09a8\u09be \u09ae\u09bf\u09a5\u09cd\u09af\u09be \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u09cb\u0964<\/p>\n                                <p class=\"question-description\">1 \u09ae\u09cb\u09b2 \u0995\u09be\u09b0\u09cd\u09ac\u09a8 (C) \u09a6\u09b9\u09a8\u09c7 44 \u0997\u09cd\u09b0\u09be\u09ae \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09a1\u09be\u0987\u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u09b9\u09af\u09bc\u0964<\/p>\n                                <label><input type=\"radio\" name=\"tf_22\" value=\"True\"> True<\/label>\n                                <label><input type=\"radio\" name=\"tf_22\" value=\"False\"> False<\/label>\n                                <input type=\"hidden\" class=\"correct-answer\" value=\"True\">\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"fill_in_the_blank\" data-question-index=\"23\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u09b8\u09a0\u09bf\u0995 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09b6\u09c2\u09a8\u09cd\u09af\u09b8\u09cd\u09a5\u09be\u09a8 \u09aa\u09c2\u09b0\u09a3 \u0995\u09b0\u09cb\u0964<\/p>\n                                <p>\n                                    STP-\u09a4\u09c7 1 \u09ae\u09cb\u09b2 \u09af\u09c7\u0995\u09cb\u09a8\u09cb \u0986\u09a6\u09b0\u09cd\u09b6 \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u0986\u09af\u09bc\u09a4\u09a8 <input type=\"text\" name=\"fb_23[]\" class=\"fill-blank\" data-correct-answer=\"\u09e8\u09e8.\u09ea, 22.4\"> \u09b2\u09bf\u099f\u09be\u09b0\u0964                                <\/p>\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"fill_in_the_blank\" data-question-index=\"24\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u09b8\u09a0\u09bf\u0995 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09b6\u09c2\u09a8\u09cd\u09af\u09b8\u09cd\u09a5\u09be\u09a8 \u09aa\u09c2\u09b0\u09a3 \u0995\u09b0\u09cb\u0964<\/p>\n                                <p>\n                                    \u099c\u09b2\u09c7\u09b0 (H<sub>2<\/sub>O) \u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0 \u09b9\u09b2\u09cb <input type=\"text\" name=\"fb_24[]\" class=\"fill-blank\" data-correct-answer=\"\u09e7\u09ee, 18\">\u0964                                <\/p>\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"fill_in_the_blank\" data-question-index=\"25\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u09b8\u09a0\u09bf\u0995 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09b6\u09c2\u09a8\u09cd\u09af\u09b8\u09cd\u09a5\u09be\u09a8 \u09aa\u09c2\u09b0\u09a3 \u0995\u09b0\u09cb\u0964<\/p>\n                                <p>\n                                    12 \u0997\u09cd\u09b0\u09be\u09ae \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09aa\u09c1\u09a1\u09bc\u09b2\u09c7 <input type=\"text\" name=\"fb_25[]\" class=\"fill-blank\" data-correct-answer=\"\u09ea\u09ea, 44\"> \u0997\u09cd\u09b0\u09be\u09ae CO<sub>2<\/sub> \u0997\u09cd\u09af\u09be\u09b8 \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u09b9\u09af\u09bc\u0964                                <\/p>\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"fill_in_the_blank\" data-question-index=\"26\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u09b8\u09a0\u09bf\u0995 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09b6\u09c2\u09a8\u09cd\u09af\u09b8\u09cd\u09a5\u09be\u09a8 \u09aa\u09c2\u09b0\u09a3 \u0995\u09b0\u09cb\u0964<\/p>\n                                <p>\n                                    32 \u0997\u09cd\u09b0\u09be\u09ae \u0985\u0995\u09cd\u09b8\u09bf\u099c\u09c7\u09a8 \u0997\u09cd\u09af\u09be\u09b8\u09c7 (O<sub>2<\/sub>) \u09ae\u09cb\u09b2 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09b9\u09b2\u09cb <input type=\"text\" name=\"fb_26[]\" class=\"fill-blank\" data-correct-answer=\"\u09e7, 1\">\u0964                                <\/p>\n                                                    <\/div>\n                                    <div class=\"mehruedu-quiz-question\" data-question-type=\"fill_in_the_blank\" data-question-index=\"27\" style=\"display: none;\">\n                                                        <p class=\"question-top-line\">\u09b8\u09a0\u09bf\u0995 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09ac\u09b8\u09bf\u09af\u09bc\u09c7 \u09b6\u09c2\u09a8\u09cd\u09af\u09b8\u09cd\u09a5\u09be\u09a8 \u09aa\u09c2\u09b0\u09a3 \u0995\u09b0\u09cb\u0964<\/p>\n                                <p>\n                                    100 \u0997\u09cd\u09b0\u09be\u09ae \u0995\u09cd\u09af\u09be\u09b2\u09b8\u09bf\u09af\u09bc\u09be\u09ae \u0995\u09be\u09b0\u09cd\u09ac\u09a8\u09c7\u099f (CaCO<sub>3<\/sub>) \u09a5\u09c7\u0995\u09c7 \u09a0\u09bf\u0995 <input type=\"text\" name=\"fb_27[]\" class=\"fill-blank\" data-correct-answer=\"\u09eb\u09ec, 56\"> \u0997\u09cd\u09b0\u09be\u09ae \u0995\u09cd\u09af\u09be\u09b2\u09b8\u09bf\u09af\u09bc\u09be\u09ae \u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 (CaO) \u09ac\u09be \u099a\u09c1\u09a8 \u09aa\u09be\u0993\u09af\u09bc\u09be \u09af\u09be\u09af\u09bc\u0964                                <\/p>\n                                                    <\/div>\n                            <\/div>\n            <button class=\"mehruedu-submit-quiz\" style=\"display:none;\">\u09af\u09be\u099a\u09be\u0987 \u0995\u09b0<\/button>\n            <button class=\"mehruedu-understood-button\" style=\"display: none;\">\u09ac\u09c1\u099d\u09c7\u099b\u09bf, \u09aa\u09b0\u09ac\u09b0\u09cd\u09a4\u09c0 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8<\/button>\n            <div class=\"mehruedu-scorecard quiz-scorecard\" style=\"display: none;\"><\/div>\n        <\/div>\n        \n<hr>\n<div class=\"lesson-navigation\">\n<h3>\u0997\u09c1\u09b0\u09c1\u09a4\u09cd\u09ac\u09aa\u09c2\u09b0\u09cd\u09a3 \u09b2\u09bf\u0982\u0995\u09b8\u09ae\u09c2\u09b9:<\/h3>\n<ul>\n<li><strong>Class 10 Home:<\/strong> <a href=\"https:\/\/qsh.in\/boards\/wbbse\/class-x\/\">\u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u09ae\u09c2\u09b2 \u09aa\u09be\u09a4\u09be<\/a><\/li>\n<li><strong>Physical Science Home:<\/strong> <a href=\"https:\/\/qsh.in\/boards\/wbbse\/class-x\/physical-science\/\">\u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09ad\u09cc\u09a4\u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8-\u09b8\u0995\u09b2 \u0985\u09a7\u09cd\u09af\u09be\u09af\u09bc <\/a><\/li>\n<li><strong>Current Chapter Home:<\/strong> <a href=\"https:\/\/qsh.in\/boards\/wbbse\/class-x\/physical-science\/chemical-calculations\/\">\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u0997\u09a3\u09a8\u09be<\/a><\/li>\n<\/ul>\n<h3>\u09a4\u09c3\u09a4\u09c0\u09af\u09bc \u0985\u09a7\u09cd\u09af\u09be\u09af\u09bc\u09c7\u09b0 \u09a4\u09bf\u09a8 \u09aa\u09b0\u09cd\u09ac<\/h3>\n<ul class=\"chapter-index\">\n<li>\u09aa\u09b0\u09cd\u09ac \u09e7: <a href=\"\/boards\/wbbse\/class-x\/physical-science\/conservation-of-mass-and-energy\/\">\u09ad\u09b0\u09c7\u09b0 \u09b8\u0982\u09b0\u0995\u09cd\u09b7\u09a3 \u09b8\u09c2\u09a4\u09cd\u09b0 \u098f\u09ac\u0982 \u09ad\u09b0 \u0993 \u09b6\u0995\u09cd\u09a4\u09bf\u09b0 \u09a4\u09c1\u09b2\u09cd\u09af\u09a4\u09be<\/a><\/li>\n<li>\u09aa\u09b0\u09cd\u09ac \u09e8: <a href=\"\/boards\/wbbse\/class-x\/physical-science\/vapor-density-and-molecular-mass\/\">\u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u09ac\u09be\u09b7\u09cd\u09aa\u0998\u09a8\u09a4\u09cd\u09ac \u098f\u09ac\u0982 \u0986\u09a3\u09ac\u09bf\u0995 \u09ad\u09b0\u09c7\u09b0 \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995<\/a><\/li>\n<li><strong>\u09aa\u09b0\u09cd\u09ac \u09e9: \u09a4\u09c1\u09ae\u09bf \u098f\u0996\u09be\u09a8\u09c7 \u09aa\u09a1\u09bc\u099b (\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995 \u09ad\u09b0 \u0993 \u0986\u09af\u09bc\u09a4\u09a8\u09c7\u09b0 \u0997\u09be\u09a3\u09bf\u09a4\u09bf\u0995 \u0997\u09a3\u09a8\u09be)<\/strong><\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09bf\u0995 \u09ad\u09cc\u09a4\u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09aa\u09cd\u09b0\u09b8\u09cd\u09a4\u09c1\u09a4\u09bf\u09b0 \u0986\u099c\u0995\u09c7\u09b0 \u09aa\u09b0\u09cd\u09ac\u09c7 \u0986\u09ae\u09b0\u09be \u09a4\u09c3\u09a4\u09c0\u09af\u09bc \u0985\u09a7\u09cd\u09af\u09be\u09af\u09bc \u2018\u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u0997\u09a3\u09a8\u09be\u2019 (Chemical Calculations)-\u098f\u09b0 \u09b8\u09b0\u09cd\u09ac\u09b6\u09c7\u09b7 \u0985\u0982\u09b6 \u09a8\u09bf\u09af\u09bc\u09c7 \u0986\u09b2\u09cb\u099a\u09a8\u09be \u0995\u09b0\u09ac\u0964 \u0986\u0997\u09c7\u09b0 \u09a6\u09c1\u099f\u09bf \u09aa\u09b0\u09cd\u09ac\u09c7 \u0986\u09ae\u09b0\u09be \u09ad\u09b0\u09c7\u09b0 \u09b8\u0982\u09b0\u0995\u09cd\u09b7\u09a3 \u09b8\u09c2\u09a4\u09cd\u09b0 \u098f\u09ac\u0982 \u09ac\u09be\u09b7\u09cd\u09aa\u0998\u09a8\u09a4\u09cd\u09ac \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995\u09c7 \u099c\u09c7\u09a8\u09c7\u099b\u09bf\u0964 \u0986\u099c\u0995\u09c7\u09b0 \u098f\u0987 \u0986\u09b0\u09cd\u099f\u09bf\u0995\u09c7\u09b2\u09c7 \u0986\u09ae\u09b0\u09be \u09b6\u09bf\u0996\u09ac \u0995\u09c0\u09ad\u09be\u09ac\u09c7 \u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (Chemical Equation) \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 \u09ad\u09cc\u09a4\u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8\u09c7\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u0997\u09be\u09a3\u09bf\u09a4\u09bf\u0995 \u09b8\u09ae\u09b8\u09cd\u09af\u09be \u09ac\u09be \u0985\u0999\u09cd\u0995 \u0996\u09c1\u09ac \u09b8\u09b9\u099c\u09c7\u0987 \u09b8\u09ae\u09be\u09a7\u09be\u09a8 \u0995\u09b0\u09be \u09af\u09be\u09af\u09bc\u0964 \u098f\u0987 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u0995\u09c7 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8\u09c7\u09b0 \u09ad\u09be\u09b7\u09be\u09af\u09bc [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-871","post","type-post","status-publish","format-standard","hentry","category-class-x-physical-science"],"_links":{"self":[{"href":"https:\/\/qsh.in\/boards\/wbbse\/wp-json\/wp\/v2\/posts\/871","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qsh.in\/boards\/wbbse\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qsh.in\/boards\/wbbse\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qsh.in\/boards\/wbbse\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qsh.in\/boards\/wbbse\/wp-json\/wp\/v2\/comments?post=871"}],"version-history":[{"count":1,"href":"https:\/\/qsh.in\/boards\/wbbse\/wp-json\/wp\/v2\/posts\/871\/revisions"}],"predecessor-version":[{"id":873,"href":"https:\/\/qsh.in\/boards\/wbbse\/wp-json\/wp\/v2\/posts\/871\/revisions\/873"}],"wp:attachment":[{"href":"https:\/\/qsh.in\/boards\/wbbse\/wp-json\/wp\/v2\/media?parent=871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qsh.in\/boards\/wbbse\/wp-json\/wp\/v2\/categories?post=871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qsh.in\/boards\/wbbse\/wp-json\/wp\/v2\/tags?post=871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}