{"id":6213,"date":"2026-03-25T00:56:56","date_gmt":"2026-03-25T00:56:56","guid":{"rendered":"https:\/\/hazarnotes.com\/?p=6213"},"modified":"2026-03-25T00:56:56","modified_gmt":"2026-03-25T00:56:56","slug":"class-10-physical-science-first-unit-test-question-with-answer-set-1","status":"publish","type":"post","link":"https:\/\/hazarnotes.com\/mystaging01\/class-10-physical-science-first-unit-test-question-with-answer-set-1\/","title":{"rendered":"Class 10 Physical Science First Unit Test Question with Answer Set-1 wbbse | \u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09ad\u09cc\u09a4 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09aa\u09cd\u09b0\u09a5\u09ae \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 \u09b8\u09c7\u099f-\u09e7"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #800080;\"><strong>FIRST SUMMATIVE EVALUATION<br \/>\nCLASS 10 (X) WBBSE<br \/>\nPHYSICAL SCIENCE QUESTION PAPER<\/strong><\/span><\/p>\n<h2 style=\"text-align: center;\"><span style=\"color: #ff0000;\">Set-1<\/span><\/h2>\n<p><strong>Class 10 Physical Science First Unit Test Question with Answer Set-1 wbbse | \u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09ad\u09cc\u09a4 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09aa\u09cd\u09b0\u09a5\u09ae \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 \u09b8\u09c7\u099f-\u09e7<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>\u09b8\u09bf\u09b2\u09c7\u09ac\u09be\u09b8 \u0993 \u09a8\u09ae\u09cd\u09ac\u09b0 \u09ac\u09bf\u09ad\u09be\u099c\u09a8<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6214 size-full\" src=\"http:\/\/hazarnotes.com\/mystaging01\/wp-content\/uploads\/2026\/03\/10-P.Sc-1st-U.T.webp\" alt=\"\" width=\"991\" height=\"613\" srcset=\"https:\/\/hazarnotes.com\/mystaging01\/wp-content\/uploads\/2026\/03\/10-P.Sc-1st-U.T.webp 991w, https:\/\/hazarnotes.com\/mystaging01\/wp-content\/uploads\/2026\/03\/10-P.Sc-1st-U.T-300x186.webp 300w, https:\/\/hazarnotes.com\/mystaging01\/wp-content\/uploads\/2026\/03\/10-P.Sc-1st-U.T-768x475.webp 768w\" sizes=\"auto, (max-width: 991px) 100vw, 991px\" \/><\/p>\n<p><strong>\ud83d\udccc\u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-10-question-papers-all-subject-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p style=\"text-align: center;\"><strong>\u09aa\u09cd\u09b0\u09a5\u09ae \u09aa\u09b0\u09cd\u09af\u09be\u09df\u0995\u09cd\u09b0\u09ae\u09bf\u0995 \u09ae\u09c2\u09b2\u09cd\u09af\u09be\u09df\u09a8<br \/>\n\u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf<br \/>\n\u09ac\u09bf\u09b7\u09df : \u09ad\u09cc\u09a4 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8<br \/>\n\u09b8\u09ae\u09df : \u09e7 \u0998\u09a3\u09cd\u099f\u09be \u09e9\u09e6 \u09ae\u09bf\u09a8\u09bf\u099f\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u09aa\u09c2\u09b0\u09cd\u09a3\u09ae\u09be\u09a8-\u09ea\u09e6<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>GROUP &#8211; A\u00a0<\/strong><\/p>\n<p><strong><span style=\"color: #ff0000;\">1. \u09b8\u09a0\u09bf\u0995 \u0989\u09a4\u09cd\u09a4\u09b0\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0\u09c7 \u09a4\u09be\u09b0 \u0995\u09cd\u09b0\u09ae\u09bf\u0995 \u09b8\u0982\u0996\u09cd\u09af\u09be\u09b8\u09b9 \u09ac\u09be\u0995\u09cd\u09af\u099f\u09bf \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09ac\u09be\u0995\u09cd\u09af\u09c7 \u0989\u09a4\u09cd\u09a4\u09b0 \u09a6\u09be\u0993 : 1&#215;7=7<\/span><\/strong><\/p>\n<p>1.1 \u0993\u099c\u09cb\u09a8 \u09b8\u09cd\u09a4\u09b0\u09c7\u09b0 \u0995\u09cd\u09b7\u09af\u09bc\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09a6\u09be\u09af\u09bc\u09c0 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u099f\u09bf \u09b9\u09b2-<br \/>\n(a) N\u2082 (b) CO\u2082 (c) CFC (d) O\u2082<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (c) CFC<\/strong><\/p>\n<p>1.2 \u099a\u09be\u09b0\u09cd\u09b2\u09b8\u09c7\u09b0 \u09b8\u09c2\u09a4\u09cd\u09b0\u09c7 \u09a7\u09cd\u09b0\u09c1\u09ac\u0995 \u09b9\u09b2\u2014<br \/>\n(a) \u09a4\u09be\u09aa\u09ae\u09be\u09a4\u09cd\u09b0\u09be<br \/>\n(b) \u0986\u09af\u09bc\u09a4\u09a8<br \/>\n(c) \u09aa\u09b0\u09ae \u09a4\u09be\u09aa\u09ae\u09be\u09a4\u09cd\u09b0\u09be<br \/>\n(d) \u099a\u09be\u09aa<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (d) \u099a\u09be\u09aa<\/strong><\/p>\n<p>1.3 \u09b2\u09c7\u09a8\u09cd\u09b8\u09c7\u09b0 \u09ae\u09c1\u0996\u09cd\u09af \u09ab\u09cb\u0995\u09be\u09b8-<br \/>\n(a) \u098f\u0995\u099f\u09bf<br \/>\n(c) \u09a4\u09bf\u09a8\u099f\u09bf<br \/>\n(b) \u09a6\u09c1\u099f\u09bf<br \/>\n(d) \u099a\u09be\u09b0\u099f\u09bf<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (b) \u09a6\u09c1\u099f\u09bf<\/strong><\/p>\n<p>1.4 \u0985\u09ac\u09a4\u09b2 \u09a6\u09b0\u09cd\u09aa\u09a3\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09ac\u09bf\u09ae\u09cd\u09ac-<br \/>\n(a) \u09b8\u09a6\u09cd<br \/>\n(b) \u0985\u09b8\u09a6\u09cd<br \/>\n(c) \u09ac\u09bf\u09ac\u09b0\u09cd\u09a7\u09bf\u09a4<br \/>\n(d) \u0995\u09cb\u09a8\u09cb\u099f\u09bf\u0987 \u09a8\u09af\u09bc<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (d) \u0995\u09cb\u09a8\u09cb\u099f\u09bf\u0987 \u09a8\u09af\u09bc<\/strong><\/p>\n<p>1.5 \u0995\u09cb\u09a8\u09cb \u0997\u09cb\u09b2\u09c0\u09af\u09bc \u09a6\u09b0\u09cd\u09aa\u09a3\u09c7\u09b0 \u09ab\u09cb\u0995\u09be\u09b8 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af \u09b9\u09b2\u09c7 \u09ac\u0995\u09cd\u09a4\u09c3\u09a4\u09be \u09ac\u09cd\u09af\u09be\u09b8\u09be\u09b0\u09cd\u09a7 \u09b9\u09ac\u09c7-<br \/>\n(a) 2f (b) f (c) 3f (d) `frac(f){2}`<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (a) 2f<\/strong><\/p>\n<p>1.6 \u09aa\u09b0\u09cd\u09af\u09be\u09af\u09bc \u09b8\u09be\u09b0\u09a3\u09bf\u09a4\u09c7 \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b8\u0982\u0996\u09cd\u09af\u09be-<br \/>\n(a) 9 \u099f\u09bf<br \/>\n(b) 7 \u099f\u09bf<br \/>\n(c) \u09ea \u099f\u09bf<br \/>\n(d) 17\u099f\u09bf<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (a) 9 \u099f\u09bf<\/strong><\/p>\n<p>1.7 \u098f\u0995\u099f\u09bf \u09b8\u09ae\u09af\u09cb\u099c\u09c0 \u09af\u09cc\u0997\u09c7\u09b0 \u0989\u09a6\u09be\u09b9\u09b0\u09a3-<br \/>\n(a) NaCl<br \/>\n(b) CaO<br \/>\n(c) CH\u2084<br \/>\n(4) MgCl\u2082<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (c) CH\u2084<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>GROUP &#8211; B<\/strong><\/p>\n<p><span style=\"color: #ff0000;\"><strong>2. \u09a8\u09c0\u099a\u09c7\u09b0 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u0989\u09a4\u09cd\u09a4\u09b0 \u09a6\u09be\u0993 : 1&#215;9=9<\/strong><\/span><\/p>\n<p><strong>2.1 \u09ac\u09be\u09af\u09bc\u09c1\u09ae\u09a3\u09cd\u09a1\u09b2\u09c7\u09b0 \u0995\u09cb\u09a8\u09cd \u09b8\u09cd\u09a4\u09b0 \u0989\u099a\u09cd\u099a\u09a4\u09be \u09a8\u09bf\u09af\u09bc\u09a8\u09cd\u09a4\u09cd\u09b0\u09a3 \u0995\u09b0\u09c7 ?<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09ac\u09be\u09df\u09c1\u09ae\u09a3\u09cd\u09a1\u09b2\u09c7\u09b0 \u09b8\u09cd\u099f\u09cd\u09b0\u09cd\u09af\u09be\u099f\u09cb\u09b8\u09cd\u09ab\u09bf\u09af\u09bc\u09be\u09b0 \u09b8\u09cd\u09a4\u09b0 \u0989\u099a\u09cd\u099a\u09a4\u09be \u09ac\u09c3\u09a6\u09cd\u09a7\u09bf\u09a4\u09c7 \u09a4\u09be\u09aa\u09ae\u09be\u09a4\u09cd\u09b0\u09be \u09a8\u09bf\u09df\u09a8\u09cd\u09a4\u09cd\u09b0\u09a3 \u09ac\u09be \u0993\u099c\u09cb\u09a8 \u09b8\u09cd\u09a4\u09b0\u09c7\u09b0 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u0985\u09a4\u09bf\u09ac\u09c7\u0997\u09c1\u09a8\u09bf \u09b0\u09b6\u09cd\u09ae\u09bf \u09b6\u09cb\u09b7\u09a3 \u0995\u09b0\u09c7\u0964<\/p>\n<p><strong><span style=\"color: #800080;\">\u0985\u09a5\u09ac\u09be,<\/span> \u09aa\u09c1\u09a8\u09b0\u09cd\u09a8\u09ac\u09c0\u0995\u09b0\u09a3\u09af\u09cb\u0997\u09cd\u09af \u09a6\u09c1\u099f\u09bf \u09b6\u0995\u09cd\u09a4\u09bf \u0989\u09ce\u09b8\u09c7\u09b0 \u09a8\u09be\u09ae \u09b2\u09c7\u0996\u09cb\u0964<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09a6\u09c1\u099f\u09bf \u09aa\u09c1\u09a8\u09b0\u09cd\u09a8\u09ac\u09c0\u0995\u09b0\u09a3\u09af\u09cb\u0997\u09cd\u09af \u09b6\u0995\u09cd\u09a4\u09bf \u09b9\u09b2\u09cb: \u09b8\u09cc\u09b0\u09b6\u0995\u09cd\u09a4\u09bf \u098f\u09ac\u0982 \u09ac\u09be\u09af\u09bc\u09c1\u09b6\u0995\u09cd\u09a4\u09bf\u0964<\/p>\n<p><strong>2.2 \u098f\u0995\u099f\u09bf \u0997\u09cd\u09b0\u09bf\u09a8 \u09b9\u09be\u0989\u09b8 \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u09a8\u09be\u09ae \u09b2\u09c7\u0996\u09cb\u0964<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u0997\u09cd\u09b0\u09bf\u09a8 \u09b9\u09be\u0989\u09b8 \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u09a8\u09be\u09ae \u09b9\u09b2\u09cb\u2014 \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09a1\u09be\u0987 \u0985\u0995\u09cd\u09b8\u09be\u0987\u09a1 (CO\u2082)\u0964<\/p>\n<p><strong>2.3 \u09aa\u09b0\u09ae \u09b6\u09c2\u09a8\u09cd\u09af\u09a4\u09be\u09b0 \u09ae\u09be\u09a8 \u0995\u09a4 ?<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09aa\u09b0\u09ae \u09b6\u09c2\u09a8\u09cd\u09af \u09a4\u09be\u09aa\u09ae\u09be\u09a4\u09cd\u09b0\u09be\u09b0 \u09ae\u09be\u09a8 \u09b9\u09b2\u09cb&#8211;273.15\u00b0C \u09ac\u09be 0K\u0964<\/p>\n<p><strong><span style=\"color: #800080;\">\u0985\u09a5\u09ac\u09be,<\/span> n \u09ae\u09cb\u09b2 \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7 \u0986\u09a6\u09b0\u09cd\u09b6 \u0997\u09cd\u09af\u09be\u09b8 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09b2\u09c7\u0996\u09cb\u0964<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> n \u09ae\u09cb\u09b2 \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7 \u0986\u09a6\u09b0\u09cd\u09b6 \u0997\u09cd\u09af\u09be\u09b8 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3\u099f\u09bf \u09b9\u09b2\u09cb: PV = nRT|<\/p>\n<p><strong>2.4 C.G.S. \u098f\u0995\u0995\u09c7 \u09b8\u09b0\u09cd\u09ac\u099c\u09a8\u09c0\u09a8 \u0997\u09cd\u09af\u09be\u09b8 \u09a7\u09cd\u09b0\u09c1\u09ac\u0995\u09c7\u09b0 \u09ae\u09be\u09a8 \u09b2\u09c7\u0996\u09cb\u0964<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> C.G.S. \u098f\u0995\u0995\u09c7 \u09b8\u09b0\u09cd\u09ac\u099c\u09a8\u09c0\u09a8 \u0997\u09cd\u09af\u09be\u09b8 \u09a7\u09cd\u09b0\u09c1\u09ac\u0995\u09c7\u09b0 ( R) \u09ae\u09be\u09a8 \u09b9\u09b2\u09cb- 8.314 \u00d7 10\u2077 erg mol\u207b\u00b9 K\u207b\u00b9<\/p>\n<p><strong>2.5 \u0985\u09ac\u09a4\u09b2 \u09a6\u09b0\u09cd\u09aa\u09a3\u09c7\u09b0 \u09a6\u09c1\u099f\u09bf \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u09b2\u09c7\u0996\u09cb\u0964<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09e7. \u09a6\u09be\u09dc\u09bf \u0995\u09be\u09ae\u09be\u09a8\u09cb\u09b0 \u09a6\u09b0\u09cd\u09aa\u09a3 \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7\u0964<\/p>\n<p>\u09e8. \u09a6\u09a8\u09cd\u09a4 \u099a\u09bf\u0995\u09bf\u09ce\u09b8\u0995\u09b0\u09be \u09a6\u09be\u0981\u09a4 \u09aa\u09b0\u09c0\u0995\u09cd\u09b7\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7\u09a8\u0964<\/p>\n<p><strong>2.6 \u0985\u09a8\u09cd\u09a7 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u0995\u09c0 ?<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u099a\u09cb\u0996\u09c7\u09b0 \u09b0\u09c7\u099f\u09bf\u09a8\u09be \u0993 \u0985\u09aa\u099f\u09bf\u0995 \u09a8\u09be\u09b0\u09cd\u09ad\u09c7\u09b0 \u09b8\u0982\u09af\u09cb\u0997\u09b8\u09cd\u09a5\u09b2\u09c7 \u0985\u09ac\u09b8\u09cd\u09a5\u09bf\u09a4 \u09af\u09c7 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u0995\u09cb\u09a8\u09cb \u0986\u09b2\u09cb\u0995\u09b8\u09c1\u09ac\u09c7\u09a6\u09c0 \u0995\u09cb\u09b6 \u09a5\u09be\u0995\u09c7 \u09a8\u09be \u098f\u09ac\u0982 \u0995\u09cb\u09a8\u09cb \u09aa\u09cd\u09b0\u09a4\u09bf\u09ac\u09bf\u09ae\u09cd\u09ac \u0997\u09a0\u09bf\u09a4 \u09b9\u09df \u09a8\u09be, \u09a4\u09be\u0995\u09c7 \u0985\u09a8\u09cd\u09a7 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u09ac\u09b2\u09c7\u0964<\/p>\n<p><strong><span style=\"color: #800080;\">\u0985\u09a5\u09ac\u09be,<\/span> \u09aa\u09c0\u09a4 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u0995\u09c0 ?<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09b0\u09c7\u099f\u09bf\u09a8\u09be\u09b0 \u09af\u09c7 \u0985\u0982\u09b6\u09c7 \u0986\u09b2\u09cb\u0995\u09b8\u09c1\u09ac\u09c7\u09a6\u09c0 \u0995\u09cb\u09b6 \u09b8\u09ac\u099a\u09c7\u09df\u09c7 \u09ac\u09c7\u09b6\u09bf \u09a5\u09be\u0995\u09c7 \u098f\u09ac\u0982 \u09b8\u09ac\u099a\u09c7\u09af\u09bc\u09c7 \u09b8\u09cd\u09aa\u09b7\u09cd\u099f \u09aa\u09cd\u09b0\u09a4\u09bf\u09ac\u09bf\u09ae\u09cd\u09ac \u0997\u09a0\u09bf\u09a4 \u09b9\u09af\u09bc, \u09a4\u09be\u0995\u09c7 \u09aa\u09c0\u09a4 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u09ac\u09b2\u09c7\u0964<\/p>\n<p><strong>2.7 \u0985\u09ad\u09bf\u09b8\u09be\u09b0\u09c0 \u09b2\u09c7\u09a8\u09cd\u09b8 \u0995\u09cb\u09a8\u099f\u09bf ?<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u0989\u09a4\u09cd\u09a4\u09b2 \u09b2\u09c7\u09a8\u09cd\u09b8\u0995\u09c7 \u0985\u09ad\u09bf\u09b8\u09be\u09b0\u09c0 \u09b2\u09c7\u09a8\u09cd\u09b8 \u09ac\u09b2\u09be \u09b9\u09df\u0964<\/p>\n<p><strong>2.8 \u09a8\u09cb\u09ac\u09c7\u09b2 \u0997\u09cd\u09af\u09be\u09b8 \u0995\u09be\u0995\u09c7 \u09ac\u09b2\u09c7 ?<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09aa\u09b0\u09cd\u09af\u09be\u09df \u09b8\u09be\u09b0\u09a3\u09bf\u09b0 \u09e7\u09ee \u09a8\u09ae\u09cd\u09ac\u09b0 (\u09ac\u09be \u09e6) \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09ae\u09cc\u09b2\u0997\u09c1\u09b2\u09bf \u09b0\u09be\u09b8\u09be\u09df\u09a8\u09bf\u0995\u09ad\u09be\u09ac\u09c7 \u09a8\u09bf\u09b7\u09cd\u0995\u09cd\u09b0\u09bf\u09df \u09b9\u0993\u09df\u09be\u09df \u098f\u09a6\u09c7\u09b0 \u09a8\u09cb\u09ac\u09c7\u09b2 \u0997\u09cd\u09af\u09be\u09b8 \u09ac\u09be \u09a8\u09bf\u09b7\u09cd\u0995\u09cd\u09b0\u09bf\u09df \u0997\u09cd\u09af\u09be\u09b8 \u09ac\u09b2\u09c7 (\u09af\u09c7\u09ae\u09a8: \u09b9\u09bf\u09b2\u09bf\u09df\u09be\u09ae, \u09a8\u09bf\u09df\u09a8)\u0964<\/p>\n<p><strong>2.9 \u098f\u0995\u099f\u09bf \u09a4\u09c7\u099c\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09af\u09bc \u09ac\u09bf\u09b0\u09b2 \u0997\u09cd\u09af\u09be\u09b8 \u0995\u09c0 ?<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u098f\u0995\u099f\u09bf \u09a4\u09c7\u099c\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09df \u09ac\u09bf\u09b0\u09b2 (\u09a8\u09bf\u09b7\u09cd\u0995\u09cd\u09b0\u09bf\u09df) \u0997\u09cd\u09af\u09be\u09b8 \u09b9\u09b2\u09cb- \u09b0\u09c7\u09a1\u09a8 (Rn)\u0964<\/p>\n<p style=\"text-align: center;\"><strong>GROUP &#8211; C<\/strong><\/p>\n<p><span style=\"color: #ff0000;\"><strong>3. \u09a8\u09bf\u09ae\u09cd\u09a8\u09b2\u09bf\u0996\u09bf\u09a4 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u0989\u09a4\u09cd\u09a4\u09b0 \u09a6\u09be\u0993 : 2&#215;6=12<\/strong><\/span><\/p>\n<p><strong>3.1 \u0985\u09cd\u09af\u09be\u09ad\u09cb\u0997\u09be\u09a1\u09cd\u09b0\u09cb \u09b8\u0982\u0996\u09cd\u09af\u09be \u09ac\u09b2\u09a4\u09c7 \u0995\u09c0 \u09ac\u09cb\u099d ?<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u0985\u09cd\u09af\u09be\u09ad\u09cb\u0997\u09be\u09a1\u09cd\u09b0\u09cb \u09b8\u0982\u0996\u09cd\u09af\u09be: \u09af\u09c7\u0995\u09cb\u09a8\u09cb \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09c7\u09b0 \u098f\u0995 \u0997\u09cd\u09b0\u09be\u09ae-\u0985\u09a3\u09c1 (\u09ac\u09be \u098f\u0995 \u09ae\u09cb\u09b2) \u09aa\u09b0\u09bf\u09ae\u09be\u09a3\u09c7 \u09af\u09a4 \u09b8\u0982\u0996\u09cd\u09af\u0995 \u0985\u09a3\u09c1 \u09a5\u09be\u0995\u09c7, \u09a4\u09be\u0995\u09c7 \u0985\u09cd\u09af\u09be\u09ad\u09cb\u0997\u09be\u09a1\u09cd\u09b0\u09cb \u09b8\u0982\u0996\u09cd\u09af\u09be \u09ac\u09b2\u09c7\u0964 \u098f\u09b0 \u09ae\u09be\u09a8 \u09b9\u09b2\u09cb 6.022\u00d710\u00b2\u00b3<\/p>\n<p><strong><span style=\"color: #800080;\">\u0985\u09a5\u09ac\u09be,<\/span><\/strong> <strong>\u09ac\u09be\u09af\u09bc\u09cb\u09ab\u09c1\u09af\u09bc\u09c7\u09b2\u09c7\u09b0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u09b2\u09c7\u0996\u09cb\u0964<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09ac\u09be\u09df\u09cb-\u0987\u09a5\u09be\u09a8\u09b2 \u09ac\u09be \u09ac\u09be\u09df\u09cb-\u09a1\u09bf\u099c\u09c7\u09b2 \u09af\u09be\u09a8\u09ac\u09be\u09b9\u09a8\u09c7\u09b0 \u099c\u09cd\u09ac\u09be\u09b2\u09be\u09a8\u09bf \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09c3\u09a4 \u09b9\u09af\u09bc\u0964 \u098f\u099b\u09be\u09dc\u09be \u09b0\u09be\u09a8\u09cd\u09a8\u09be\u09b0 \u0995\u09be\u099c\u09c7 \u098f\u09ac\u0982 \u09ac\u09bf\u09a6\u09cd\u09af\u09c1\u09ce \u0989\u09ce\u09aa\u09be\u09a6\u09a8\u09c7\u0993 \u098f\u099f\u09bf \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09df\u0964<\/p>\n<p><strong>3.2 \u099a\u09be\u09b0\u09cd\u09b2\u09b8\u09c7\u09b0 \u09b8\u09c2\u09a4\u09cd\u09b0\u099f\u09bf \u09b2\u09c7\u0996\u09cb\u0964<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09b8\u09cd\u09a5\u09bf\u09b0 \u099a\u09be\u09aa\u09c7 \u09a8\u09bf\u09b0\u09cd\u09a6\u09bf\u09b7\u09cd\u099f \u09ad\u09b0\u09c7\u09b0 \u0995\u09cb\u09a8\u09cb \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u09a4\u09be\u09aa\u09ae\u09be\u09a4\u09cd\u09b0\u09be 1\u00b0C \u09ac\u09c3\u09a6\u09cd\u09a7\u09bf \u09ac\u09be \u09b9\u09cd\u09b0\u09be\u09b8 \u0995\u09b0\u09b2\u09c7 \u0993\u0987 \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 0\u00b0C \u0989\u09b7\u09cd\u09a3\u09a4\u09be\u09b0 \u0986\u09af\u09bc\u09a4\u09a8\u09c7\u09b0 \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7 `frac(1){273}` \u0985\u0982\u09b6 \u09ac\u09c3\u09a6\u09cd\u09a7\u09bf \u09ac\u09be \u09b9\u09cd\u09b0\u09be\u09b8 \u09aa\u09be\u09af\u09bc\u0964<\/p>\n<p><span style=\"color: #800080;\"><strong>\u0985\u09a5\u09ac\u09be,<\/strong><\/span> \u099a\u09be\u09aa \u0985\u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09bf\u09a4 \u09a5\u09be\u0995\u09b2\u09c7 27\u00b0C \u09a4\u09be\u09aa\u09ae\u09be\u09a4\u09cd\u09b0\u09be\u09af\u09bc \u0995\u09cb\u09a8\u09cb \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u09af\u09be \u0986\u09af\u09bc\u09a4\u09a8, \u0995\u09a4 \u09a4\u09be\u09aa\u09ae\u09be\u09a4\u09cd\u09b0\u09be\u09af\u09bc \u0986\u09af\u09bc\u09a4\u09a8 \u09a4\u09be\u09b0 \u09a6\u09cd\u09ac\u09bf\u0997\u09c1\u09a3 \u09b9\u09ac\u09c7 ?<\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8<\/strong> : \u098f\u0996\u09be\u09a8\u09c7, T\u2081 = 27 + 273 = 300K, \u09aa\u09cd\u09b0\u09be\u09a5\u09ae\u09bf\u0995 \u0986\u09af\u09bc\u09a4\u09a8 V\u2081 = V \u098f\u09ac\u0982 \u0985\u09a8\u09cd\u09a4\u09bf\u09ae \u0986\u09af\u09bc\u09a4\u09a8 V\u2082 = 2V<\/p>\n<p>\u09b8\u09c2\u09a4\u09cd\u09b0 \u0985\u09a8\u09c1\u09af\u09be\u09df\u09c0, `frac(V\u2081){V\u2082}` = `frac(V\u2082){T\u2082}` \u21d2`frac(V){300}` = `frac(2V){T\u2082}`<\/p>\n<p>\u0985\u09a4\u098f\u09ac, T\u2082 = 600K\u0964 \u09b8\u09c7\u09b2\u09b8\u09bf\u09df\u09be\u09b8 \u09b8\u09cd\u0995\u09c7\u09b2\u09c7 \u098f\u099f\u09bf ( 600 \u2013 273) = 327\u00b0C<\/p>\n<p><strong>3.3 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09b0\u09a3\u09c7\u09b0 \u09b8\u09c2\u09a4\u09cd\u09b0 \u09a6\u09c1\u099f\u09bf \u09b2\u09c7\u0996\u09cb\u0964<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09e7. \u0986\u09aa\u09a4\u09bf\u09a4 \u09b0\u09b6\u09cd\u09ae\u09bf, \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09c2\u09a4 \u09b0\u09b6\u09cd\u09ae\u09bf \u098f\u09ac\u0982 \u0986\u09aa\u09a4\u09a8 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u09ac\u09bf\u09ad\u09c7\u09a6\u09a4\u09b2\u09c7\u09b0 \u0993\u09aa\u09b0 \u0985\u0999\u09cd\u0995\u09bf\u09a4 \u0985\u09ad\u09bf\u09b2\u09ae\u09cd\u09ac \u098f\u0995\u0987 \u09b8\u09ae\u09a4\u09b2\u09c7 \u09a5\u09be\u0995\u09c7\u0964<\/p>\n<p>\u09e8. \u09a6\u09c1\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09a6\u09bf\u09b7\u09cd\u099f \u09ae\u09be\u09a7\u09cd\u09af\u09ae \u0993 \u09a8\u09bf\u09b0\u09cd\u09a6\u09bf\u09b7\u09cd\u099f \u09ac\u09b0\u09cd\u09a3\u09c7\u09b0 \u0986\u09b2\u09cb\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7, \u0986\u09aa\u09a4\u09a8 \u0995\u09cb\u09a3\u09c7\u09b0 \u09b8\u09be\u0987\u09a8 (sini) \u098f\u09ac\u0982 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09b0\u09a3 \u0995\u09cb\u09a3\u09c7\u09b0 \u09b8\u09be\u0987\u09a8\u09c7\u09b0 (sinr) \u0985\u09a8\u09c1\u09aa\u09be\u09a4 \u09b8\u09b0\u09cd\u09ac\u09a6\u09be \u09a7\u09cd\u09b0\u09c1\u09ac\u0995 \u09b9\u09af\u09bc (\u09b8\u09cd\u09a8\u09c7\u09b2\u09c7\u09b0 \u09b8\u09c2\u09a4\u09cd\u09b0)\u0964<\/p>\n<p><strong>3.4 \u09a6\u09c1\u099f\u09bf \u09a4\u09c7\u099c\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09af\u09bc \u09ae\u09cc\u09b2\u09c7\u09b0 \u09a8\u09be\u09ae \u09b2\u09c7\u0996\u09cb\u0964<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u0987\u0989\u09b0\u09c7\u09a8\u09bf\u09df\u09be\u09ae (U) \u098f\u09ac\u0982 \u09b0\u09c7\u09a1\u09bf\u09df\u09be\u09ae (Ra)\u0964<\/p>\n<p><strong>3.5 \u09a1\u099f\u09cd \u0997\u09a0\u09a8 \u09b2\u09c7\u0996\u09cb : NH\u2083<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09a8\u09be\u0987\u099f\u09cd\u09b0\u09cb\u099c\u09c7\u09a8\u09c7\u09b0 (N) \u09ac\u09be\u0987\u09b0\u09c7\u09b0 \u0995\u0995\u09cd\u09b7\u09c7 \u09eb\u099f\u09bf \u098f\u09ac\u0982 \u09e9\u099f\u09bf \u09b9\u09be\u0987\u09a1\u09cd\u09b0\u09cb\u099c\u09c7\u09a8\u09c7\u09b0 (H) \u09aa\u09cd\u09b0\u09a4\u09bf\u099f\u09bf\u09b0 \u09e7\u099f\u09bf \u0995\u09b0\u09c7 \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u09a5\u09be\u0995\u09c7\u0964 \u09a8\u09be\u0987\u099f\u09cd\u09b0\u09cb\u099c\u09c7\u09a8 \u09a4\u09be\u09b0 \u09e9\u099f\u09bf \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8\u09c7\u09b0 \u09b8\u0999\u09cd\u0997\u09c7 \u09e9\u099f\u09bf \u09b9\u09be\u0987\u09a1\u09cd\u09b0\u09cb\u099c\u09c7\u09a8\u09c7\u09b0 \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u099c\u09cb\u09dc \u0997\u09a0\u09a8 \u0995\u09b0\u09c7 \u09b8\u09ae\u09af\u09cb\u099c\u09c0 \u09ac\u09a8\u09cd\u09a7\u09a8 \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09c7 \u098f\u09ac\u0982 \u09a8\u09be\u0987\u099f\u09cd\u09b0\u09cb\u099c\u09c7\u09a8\u09c7\u09b0 \u09ae\u09be\u09a5\u09be\u09df \u098f\u0995 \u099c\u09cb\u09dc\u09be \u09a8\u09bf\u0983\u09b8\u0999\u09cd\u0997 \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 (lone pair) \u09a5\u09be\u0995\u09c7\u0964 (\u0997\u09a0\u09a8: H \u2013 N \u2013 H \u098f\u09ac\u0982 \u09a8\u09bf\u099a\u09c7 \u098f\u0995\u099f\u09bf \u2013H)<\/p>\n<p><strong>3.6 \u09b8\u09ae\u09af\u09cb\u099c\u09c0 \u09af\u09cc\u0997\u09c7\u09b0 \u09a6\u09c1\u099f\u09bf \u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af \u09b2\u09c7\u0996\u09cb\u0964<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09e7. \u098f\u09a6\u09c7\u09b0 \u0997\u09b2\u09a8\u09be\u0999\u09cd\u0995 \u0993 \u09b8\u09cd\u09ab\u09c1\u099f\u09a8\u09be\u0999\u09cd\u0995 \u09b8\u09be\u09a7\u09be\u09b0\u09a3\u09a4 \u0995\u09ae \u09b9\u09df\u0964<\/p>\n<p>\u09e8. \u098f\u09b0\u09be \u09b8\u09be\u09a7\u09be\u09b0\u09a3\u09a4 \u099c\u09b2\u09c7 \u0985\u09a6\u09cd\u09b0\u09ac\u09a3\u09c0\u09af\u09bc \u0995\u09bf\u09a8\u09cd\u09a4\u09c1 \u099c\u09c8\u09ac \u09a6\u09cd\u09b0\u09be\u09ac\u0995\u09c7 \u09a6\u09cd\u09b0\u09ac\u09a3\u09c0\u09df\u0964<\/p>\n<p><span style=\"color: #800080;\"><strong>\u0985\u09a5\u09ac\u09be,<\/strong><\/span> <strong>\u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8\u09c7\u09b0 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u09cd\u09a5\u09be\u09a8\u09be\u09a8\u09cd\u09a4\u09b0 \u09b9\u09af\u09bc \u0995\u09cb\u09a8 \u09aa\u09cd\u09b0\u0995\u09be\u09b0 \u09ac\u09a8\u09cd\u09a7\u09a8\u09c7 ? \u098f\u0995\u099f\u09bf \u0989\u09a6\u09be\u09b9\u09b0\u09a3 \u09a6\u09be\u0993\u0964<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8\u09c7\u09b0 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u09cd\u09a5\u09be\u09a8\u09be\u09a8\u09cd\u09a4\u09b0 \u09b9\u09af\u09bc \u09a4\u09dc\u09bf\u09ce\u09af\u09cb\u099c\u09c0 (\u09ac\u09be \u0986\u09af\u09bc\u09a8\u09c0\u09df) \u09ac\u09a8\u09cd\u09a7\u09a8\u09c7\u0964 \u0989\u09a6\u09be\u09b9\u09b0\u09a3: \u09b8\u09cb\u09a1\u09bf\u09df\u09be\u09ae \u0995\u09cd\u09b2\u09cb\u09b0\u09be\u0987\u09a1 (NaCl)\u0964<\/p>\n<p style=\"text-align: center;\"><strong>GROUP &#8211; D<\/strong><\/p>\n<p><span style=\"color: #ff0000;\"><strong>4. \u09a8\u09bf\u09ae\u09cd\u09a8\u09b2\u09bf\u0996\u09bf\u09a4 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u0989\u09a4\u09cd\u09a4\u09b0 \u09a6\u09be\u0993 : 3&#215;4=12<\/strong><\/span><\/p>\n<p>4.1 \u0986\u09a6\u09b0\u09cd\u09b6 \u0986\u099a\u09b0\u09a3 \u09a5\u09c7\u0995\u09c7 \u09ac\u09be\u09b8\u09cd\u09a4\u09ac \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u09a7\u09b0\u09cd\u09ae\u09c7\u09b0 \u09ac\u09bf\u099a\u09cd\u09af\u09c1\u09a4\u09bf\u09b0 \u09a6\u09c1\u099f\u09bf \u0995\u09be\u09b0\u09a3 \u09b2\u09c7\u0996\u09cb\u0964<\/p>\n<p><strong><span style=\"color: #800080;\">\u0985\u09a5\u09ac\u09be,<\/span><\/strong> \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u0997\u09a4\u09c0\u09af\u09bc \u09a4\u09a4\u09cd\u09a4\u09cd\u09ac\u09c7\u09b0 \u09a4\u09bf\u09a8\u099f\u09bf \u09b8\u09cd\u09ac\u09c0\u0995\u09be\u09b0\u09cd\u09af \u09b2\u09c7\u0996\u09cb\u0964<\/p>\n<p>4.2 \u0986\u09af\u09bc\u09a4\u09be\u0995\u09be\u09b0 \u0995\u09be\u099a\u09c7\u09b0 \u0995\u09cd\u09b2\u09be\u09ac\u09c7\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09a6\u09bf\u09af\u09bc\u09c7 \u0995\u09cb\u09a8\u09cb \u09b0\u09b6\u09cd\u09ae\u09bf \u0997\u09c7\u09b2\u09c7 \u09aa\u09cd\u09b0\u09ae\u09be\u09a3 \u0995\u09b0\u09cb \u09af\u09c7 \u0986\u09aa\u09a4\u09bf\u09a4 \u09b0\u09b6\u09cd\u09ae\u09bf \u0993 \u09a8\u09bf\u09b0\u09cd\u0997\u09a4 \u09b0\u09b6\u09cd\u09ae\u09bf \u09aa\u09b0\u09b8\u09cd\u09aa\u09b0 \u09b8\u09ae\u09be\u09a8\u09cd\u09a4\u09b0\u09be\u09b2\u0964<\/p>\n<p><strong><span style=\"color: #800080;\">\u0985\u09a5\u09ac\u09be,<\/span><\/strong> \u09aa\u09cd\u09b0\u09bf\u099c\u09ae\u09c7\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09a6\u09bf\u09af\u09bc\u09c7 \u0986\u09b2\u09cb\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09b0\u09a3\u09c7\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09c7 \u099a\u09cd\u09af\u09c1\u09a4\u09bf\u0995\u09cb\u09a3 \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u09cb\u0964<\/p>\n<p>4.3 \u0989\u09a4\u09cd\u09a4\u09b2 \u09b2\u09c7\u09a8\u09cd\u09b8 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u0985\u09ac\u09b6\u09c0\u09b0\u09cd\u09b7 \u0993 \u09ac\u09bf\u09ac\u09b0\u09cd\u09a7\u09bf\u09a4 \u09b8\u09ac\u09bf\u09a7 \u0997\u09a0\u09a8\u09c7\u09b0 \u09aa\u09b0\u09bf\u09b7\u09cd\u0995\u09be\u09b0 \u099a\u09bf\u09a4\u09cd\u09b0 \u0985\u0999\u09cd\u0995\u09a8 \u0995\u09b0\u09cb\u0964 \u0989\u09a4\u09cd\u09a4\u09b2 \u09b2\u09c7\u09a8\u09cd\u09b8\u09c7\u09b0 \u098f\u0995\u099f\u09bf \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u09bf\u0995 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u0997 \u09b2\u09c7\u0996\u09cb\u0964<\/p>\n<p>4.4 \u09ae\u09c1\u09a6\u09cd\u09b0\u09be \u09a7\u09be\u09a4\u09c1 \u0995\u09be\u0995\u09c7 \u09ac\u09b2\u09c7 ? \u09a6\u09c1\u099f\u09bf \u0989\u09a6\u09be\u09b9\u09b0\u09a3 \u09a6\u09be\u0993\u0964<\/p>\n<p><span style=\"color: #800080;\"><strong>\u0985\u09a5\u09ac\u09be,<\/strong><\/span> \u09ae\u09c7\u09a8\u09cd\u09a1\u09c7\u09b2\u09c7\u09b0 \u09aa\u09b0\u09cd\u09af\u09be\u09af\u09bc \u09b8\u09be\u09b0\u09a3\u09bf\u09b0 \u09af\u09c7-\u0995\u09cb\u09a8\u09cb \u09a4\u09bf\u09a8\u099f\u09bf \u099c\u09c1\u099f\u09bf \u09b2\u09c7\u0996\u09cb\u0964<\/p>\n<p><span style=\"color: #800080;\"><strong>\ud83d\udccc \u0986\u09b0\u09cb \u09a6\u09c7\u0996\u09cb\u0983<\/strong><\/span><\/p>\n<p><strong>\ud83d\udccc\u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-10-question-papers-all-subject-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc\u09ac\u09be\u0982\u09b2\u09be<span style=\"color: #ff0000;\"> \u09b8\u09bf\u09b2\u09c7\u09ac\u09be\u09b8 <\/span> \u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf<a href=\"http:\/\/hazarnotes.com\/mystaging01\/madhyamik-bengali-syllabus-2026-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc\u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u09ac\u09be\u0982\u09b2\u09be<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09cb\u09a4\u09cd\u09a4\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-10-bengali-textbook-question-answers-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc\u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u0987\u0982\u09b0\u09c7\u099c\u09bf<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09cb\u09a4\u09cd\u09a4\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-10-english-textbook-solution-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc \u0987\u09a4\u09bf\u09b9\u09be\u09b8 <span style=\"color: #ff0000;\">\u09b8\u09bf\u09b2\u09c7\u09ac\u09be\u09b8<\/span> \u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf<a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-10-history-syllabus-2026-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc\u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u0987\u09a4\u09bf\u09b9\u09be\u09b8<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09cb\u09a4\u09cd\u09a4\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-10-history-textbook-question-answer-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc\u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u09ad\u09c2\u0997\u09cb\u09b2<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09cb\u09a4\u09cd\u09a4\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-10-geography-textbook-question-answer-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc \u09ad\u09c2\u0997\u09cb\u09b2 <span style=\"color: #ff0000;\">\u09b8\u09bf\u09b2\u09c7\u09ac\u09be\u09b8<\/span> \u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf<a href=\"http:\/\/hazarnotes.com\/mystaging01\/madhyamik-geography-syllabus-2026-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09bf\u0995 <span style=\"color: #ff0000;\"> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 <\/span> \u09b8\u09ae\u09b8\u09cd\u09a4 \u09ac\u09bf\u09b7\u09af\u09bc <a href=\"http:\/\/hazarnotes.com\/mystaging01\/madhyamik-question-papers-all-subject-west-bengal-board\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09bf\u0995 <span style=\"color: #ff0000;\"> \u09ae\u0995\u09cd \u099f\u09c7\u09b8\u09cd\u099f <\/span> \u09b8\u09ae\u09b8\u09cd\u09a4 \u09ac\u09bf\u09b7\u09af\u09bc <a href=\"http:\/\/hazarnotes.com\/mystaging01\/madhyamik-online-mcq-mock-test-all-subject-wbbse\/\">Click Here<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>FIRST SUMMATIVE EVALUATION CLASS 10 (X) WBBSE PHYSICAL SCIENCE QUESTION PAPER Set-1 Class 10 Physical Science First Unit Test Question with Answer Set-1 wbbse | \u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09ad\u09cc\u09a4 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09aa\u09cd\u09b0\u09a5\u09ae \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 \u09b8\u09c7\u099f-\u09e7 \u09b8\u09bf\u09b2\u09c7\u09ac\u09be\u09b8 \u0993 \u09a8\u09ae\u09cd\u09ac\u09b0 \u09ac\u09bf\u09ad\u09be\u099c\u09a8 \ud83d\udccc\u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 Click Here \u09aa\u09cd\u09b0\u09a5\u09ae \u09aa\u09b0\u09cd\u09af\u09be\u09df\u0995\u09cd\u09b0\u09ae\u09bf\u0995 \u09ae\u09c2\u09b2\u09cd\u09af\u09be\u09df\u09a8 \u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u09ac\u09bf\u09b7\u09df : \u09ad\u09cc\u09a4 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09b8\u09ae\u09df &#8230; <a title=\"Class 10 Physical Science First Unit Test Question with Answer Set-1 wbbse | \u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09ad\u09cc\u09a4 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09aa\u09cd\u09b0\u09a5\u09ae \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 \u09b8\u09c7\u099f-\u09e7\" class=\"read-more\" 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more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[121],"tags":[],"class_list":["post-6213","post","type-post","status-publish","format-standard","hentry","category-121"],"_links":{"self":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts\/6213","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/comments?post=6213"}],"version-history":[{"count":0,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts\/6213\/revisions"}],"wp:attachment":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/media?parent=6213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/categories?post=6213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/tags?post=6213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}