{"id":6226,"date":"2026-03-26T02:02:35","date_gmt":"2026-03-26T02:02:35","guid":{"rendered":"https:\/\/hazarnotes.com\/?p=6226"},"modified":"2026-03-26T02:02:35","modified_gmt":"2026-03-26T02:02:35","slug":"class-10-physical-science-first-unit-test-question-with-answer-set-4","status":"publish","type":"post","link":"https:\/\/hazarnotes.com\/mystaging01\/class-10-physical-science-first-unit-test-question-with-answer-set-4\/","title":{"rendered":"Class 10 Physical Science First Unit Test Question with Answer Set-4 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-\u09ea"},"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-4<\/span><\/h2>\n<p><strong>Class 10 Physical Science First Unit Test Question with Answer Set-4 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-\u09ea<\/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>BARUIPUR HIGH SCHOOL (H.S.)<br \/>\nFirst Unit Test &#8211; 2024<br \/>\nClass &#8211; X<br \/>\nSubject : Physical Science<br \/>\nF. M : 40\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Time : 1.30 hrs.<\/strong><\/p>\n<p><strong>1. \u09b8\u09a0\u09bf\u0995 \u0989\u09a4\u09cd\u09a4\u09b0\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0 : 1\u00d77=7<\/strong><\/p>\n<p>1.1 \u09b8\u09ac\u099a\u09c7\u09df\u09c7 \u09b9\u09be\u09b2\u0995\u09be \u0997\u09cd\u09b0\u09bf\u09a8 \u09b9\u09be\u0989\u09b8 \u0997\u09cd\u09af\u09be\u09b8\u099f\u09bf \u09b9\u09b2-<br \/>\n(a) CO\u2082<br \/>\n(b) CH\u2084<br \/>\n(c) N\u2082O<br \/>\n(d) CFC<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (b) CH\u2084<\/strong><\/p>\n<p>1.2 \u09ac\u09df\u09c7\u09b2\u09c7\u09b0 \u09b8\u09c2\u09a4\u09cd\u09b0\u09c7 Pv-V \u09b2\u09c7\u0996\u099a\u09bf\u09a4\u09cd\u09b0\u09c7\u09b0 \u09aa\u09cd\u09b0\u0995\u09c3\u09a4\u09bf \u09b9\u09b2-<br \/>\n(a) \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be<br \/>\n(b) \u0985\u09a7\u09bf\u09ac\u09c3\u09a4\u09cd\u09a4<br \/>\n(c) \u09b8\u09ae\u09aa\u09b0\u09be\u09ac\u09c3\u09a4\u09cd\u09a4<br \/>\n(d) \u09ac\u09c3\u09a4\u09cd\u09a4<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (a) \u09b8\u09b0\u09b2\u09b0\u09c7\u0996\u09be<\/strong><\/p>\n<p>1.3 CH\u2084 \u098f\u09b0 \u0986\u09a8\u09ac\u09bf\u0995 \u0993\u099c\u09a8 16, \u09ac\u09be\u09b7\u09cd\u09aa\u0998\u09a8\u09a4\u09cd\u09ac \u09b9\u09ac\u09c7-<br \/>\n(a) 22.4<br \/>\n(b) 8<br \/>\n(c) 16<br \/>\n(d) 32<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (b) 8<\/strong><\/p>\n<p>1.4 \u0995\u09cb\u09a8 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09c7\u09b0 \u09a4\u09be\u09aa \u09aa\u09b0\u09bf\u09ac\u09be\u09b9\u09bf\u09a4\u09be\u0999\u09cd\u0995 k \u09b9\u09b2\u09c7, \u09a4\u09be\u09aa\u09c0\u09df \u09b0\u09cb\u09a7\u09be\u0999\u09cd\u0995 \u09b9\u09ac\u09c7-<br \/>\n(a) k<br \/>\n(b) k\u00b2<br \/>\n(c) `frac(1){k}`<br \/>\n(d) `frac(1){k\u00b2}`<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (c) `frac(1){k}`<\/strong><\/p>\n<p>1.5 \u09a4\u09dc\u09bf\u09ce-\u098b\u09a3\u09be\u09a4\u09cd\u09ae\u0995\u09a4\u09be\u09b0 \u09b8\u09a0\u09bf\u0995 \u0995\u09cd\u09b0\u09ae \u09b9\u09b2-<\/p>\n<p>(a) Li &lt; Be &lt; C &lt; B<\/p>\n<p>(b) Li &lt; Be &lt; B &lt; C<\/p>\n<p>(c) Lj &lt; C &lt; Be &lt; B<\/p>\n<p>(d) Li &lt; B &lt; C &lt; Be<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (b) Li &lt; Be &lt; B &lt; C<\/strong><\/p>\n<p>1.6 NH\u2083 \u09af\u09cc\u0997\u09c7 \u09b8\u09ae\u09af\u09cb\u099c\u09c0 \u09ac\u09a8\u09cd\u09a7\u09a8\u09c7\u09b0 \u09b8\u0982\u0996\u09cd\u09af\u09be \u0993 \u09a8\u09bf\u0983\u09b8\u099a\u09cd\u099b \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u099c\u09cb\u09dc \u09b9\u09b2 \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7-<br \/>\n(a) 3, 1<br \/>\n(b) 3, 2<br \/>\n(c) 1, 1<br \/>\n(d) 3, 3<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (a) 3, 1<\/strong><\/p>\n<p>1.7 \u0995\u09aa\u09be\u09b0 \u09a4\u09dc\u09bf\u09ce\u09a6\u09cd\u09ac\u09be\u09b0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09c7 CuSO\u2084 \u09a6\u09cd\u09b0\u09ac\u09a3\u09c7\u09b0 \u09a4\u09dc\u09bf\u09ce \u09ac\u09bf\u09b6\u09cd\u09b2\u09c7\u09b7\u09a3 \u0995\u09b0\u09b2\u09c7 \u0995\u09cd\u09af\u09be\u09a5\u09cb\u09a1\u09c7 \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u09b9\u09df-<br \/>\n(a) H\u2082<br \/>\n(b) O\u2082<br \/>\n(c) Cu<br \/>\n(d) Cu\u00b2\u207a<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (c) Cu<\/strong><\/p>\n<p><strong><span style=\"color: #ff0000;\">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<\/span><\/strong><\/p>\n<p>2.1 \u0995\u09cb\u09b2-\u09ac\u09c7\u09a1 \u09a5\u09c7\u0995\u09c7 \u0995\u09cb\u09a8 \u099c\u09cd\u09ac\u09be\u09b2\u09be\u09a8\u09bf \u0997\u09cd\u09af\u09be\u09b8 \u09aa\u09be\u0993\u09df\u09be \u09af\u09be\u09df ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09ae\u09bf\u09a5\u09c7\u09a8 (CH4) \u09ac\u09be \u0995\u09cb\u09b2-\u09ac\u09c7\u09a1 \u09ae\u09bf\u09a5\u09c7\u09a8\u0964<\/p>\n<p>2.2 \u099a\u09be\u09b0\u09cd\u09b2\u09b8\u09c7\u09b0 \u09b8\u09c2\u09a4\u09cd\u09b0\u09c7 \u09a7\u09cd\u09b0\u09c1\u09ac\u0995 \u09b0\u09be\u09b6\u09bf\u0997\u09c1\u09b2\u09bf \u0995\u09c0 \u0995\u09c0 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u09ad\u09b0 \u098f\u09ac\u0982 \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u099a\u09be\u09aa\u0964<\/p>\n<p>2.3 \u0995\u09a0\u09bf\u09a8 \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09c7\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09aa\u09cd\u09b0\u09b8\u09be\u09b0\u09a3 \u0997\u09c1\u09a8\u09be\u0999\u09cd\u0995\u09c7\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995 \u09b2\u09bf\u0996\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u03b1=`frac(b){2}`=`frac(Y){3}` (\u09af\u09c7\u0996\u09be\u09a8\u09c7 \u03b1, \u03b2, \u03b3 \u09b9\u09b2\u09cb \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af, \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0 \u0993 \u0986\u09df\u09a4\u09a8 \u09aa\u09cd\u09b0\u09b8\u09be\u09b0\u09a3 \u0997\u09c1\u09a3\u09be\u0999\u09cd\u0995)\u0964<\/p>\n<p>2.4 STP \u09a4\u09c7 4.4g CO\u2082 \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u0986\u09df\u09a4\u09a8 \u0995\u09a4 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> 2.24 \u09b2\u09bf\u099f\u09be\u09b0 (44g \u098f\u09b0 \u0986\u09df\u09a4\u09a8 22.4L, \u09a4\u09be\u0987 4.4g \u098f\u09b0 \u0986\u09df\u09a4\u09a8 2.24L)\u0964<\/p>\n<p>2.5 \u09b2\u09cd\u09af\u09be\u09a8\u09cd\u09a5\u09be\u09a8\u09be\u0987\u09a1 \u09b8\u09be\u09b0\u09bf\u09b0 \u09b6\u09c7\u09b7 \u09ae\u09cc\u09b2 \u0995\u09cb\u09a8\u099f\u09bf ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09b2\u09c1\u099f\u09c7\u09b6\u09bf\u09df\u09be\u09ae (Lu, \u09aa\u09be\u09b0\u09ae\u09be\u09a3\u09ac\u09bf\u0995 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09ed\u09e7)\u0964<\/p>\n<p>2.6 NaF \u099c\u09b2\u09c7 \u09a6\u09cd\u09b0\u09be\u09ac\u09cd\u09af \u0995\u09c7\u09a8 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> NaF \u098f\u0995\u099f\u09bf \u0986\u09df\u09a8\u09c0\u09df \u09af\u09cc\u0997 \u098f\u09ac\u0982 \u099c\u09b2\u09c7\u09b0 \u0985\u09a3\u09c1\u0997\u09c1\u09b2\u09bf \u09a7\u09cd\u09b0\u09c1\u09ac\u09c0\u09df (Polar) \u09b9\u0993\u09df\u09be\u09df \u098f\u099f\u09bf \u099c\u09b2\u09c7 \u09a6\u09cd\u09b0\u09ac\u09c0\u09ad\u09c2\u09a4 \u09b9\u09af\u09bc\u0964<\/p>\n<p>2.7 \u0986\u09df\u09a8\u09c0\u09df \u09af\u09cc\u0997\u09c7\u09b0 \u09a6\u09c1\u099f\u09bf \u09ac\u09c8\u09b6\u09bf\u09b7\u09cd\u099f\u09cd\u09af \u09b2\u09c7\u0996\u0964<\/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 \u0996\u09c1\u09ac \u09ac\u09c7\u09b6\u09bf\u0964 \u09e8. \u098f\u09b0\u09be \u0997\u09b2\u09bf\u09a4 \u09ac\u09be \u09a6\u09cd\u09b0\u09ac\u09c0\u09ad\u09c2\u09a4 \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09af\u09bc \u09a4\u09a1\u09bc\u09bf\u09ce \u09aa\u09b0\u09bf\u09ac\u09b9\u09a8 \u0995\u09b0\u09c7\u0964<\/p>\n<p>2.8 \u09b0\u09c2\u09aa\u09be\u09b0 \u0989\u09aa\u09b0 \u09b8\u09cb\u09a8\u09be\u09b0 \u09aa\u09cd\u09b0\u09b2\u09c7\u09aa \u09a6\u09bf\u09a4\u09c7 \u09b9\u09b2\u09c7 \u09a4\u09dc\u09bf\u09ce \u09ac\u09bf\u09b6\u09cd\u09b2\u09c7\u09b7\u09cd\u09af \u09ac\u09c1\u09aa\u09c7 \u0995\u09c0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09df ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09aa\u099f\u09be\u09b6\u09bf\u09df\u09be\u09ae \u0985\u09b0\u09cb\u09c7\u09b8\u09be\u09df\u09be\u09a8\u09be\u0987\u09a1 [K[Au(CN)\u2082]] \u098f\u09b0 \u099c\u09b2\u09c0\u09df \u09a6\u09cd\u09b0\u09ac\u09a3\u0964<\/p>\n<p>2.9 \u0995\u09c0 \u09b6\u09b0\u09cd\u09a4\u09c7 \u09ac\u09be\u09b8\u09cd\u09a4\u09ac \u0997\u09cd\u09af\u09be\u09b8 \u0986\u09a6\u09b0\u09cd\u09b6 \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u09ae\u09a4 \u0986\u099a\u09b0\u09a3 \u0995\u09b0\u09c7 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u0989\u099a\u09cd\u099a \u0989\u09b7\u09cd\u09a3\u09a4\u09be \u098f\u09ac\u0982 \u09a8\u09bf\u09ae\u09cd\u09a8 \u099a\u09be\u09aa\u09c7\u0964<\/p>\n<p><strong><span style=\"color: #ff0000;\">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\u00d76=12<\/span><\/strong><\/p>\n<p><strong>3.1 \u09b8\u09cd\u09a5\u09bf\u09a4\u09bf\u09b6\u09c0\u09b2 \u0989\u09a8\u09cd\u09a8\u09df\u09a8\u09c7\u09b0 \u09a6\u09c1\u099f\u09bf \u09ae\u09c2\u09b2 \u09b2\u0995\u09cd\u09b7\u09cd\u09af \u09b2\u09c7\u0996\u0964<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09e7. \u09aa\u09cd\u09b0\u09be\u0995\u09c3\u09a4\u09bf\u0995 \u09b8\u09ae\u09cd\u09aa\u09a6\u09c7\u09b0 \u09aa\u09b0\u09bf\u09ae\u09bf\u09a4 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0993 \u09b8\u0982\u09b0\u0995\u09cd\u09b7\u09a3\u0964 \u09e8. \u09aa\u09b0\u09bf\u09ac\u09c7\u09b6 \u09a6\u09c2\u09b7\u09a3 \u09b0\u09cb\u09a7 \u0995\u09b0\u09c7 \u09ad\u09ac\u09bf\u09b7\u09cd\u09af\u09ce \u09aa\u09cd\u09b0\u099c\u09a8\u09cd\u09ae\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09b8\u09c1\u09b8\u09cd\u09a5 \u09aa\u09c3\u09a5\u09bf\u09ac\u09c0 \u09a8\u09bf\u09b6\u09cd\u099a\u09bf\u09a4 \u0995\u09b0\u09be\u0964<\/p>\n<p><strong>3.2 \u0989\u09b7\u09cd\u09a3\u09a4\u09be \u09b8\u09cd\u09a5\u09bf\u09b0 \u09b0\u09c7\u0996\u09c7 \u09a8\u09bf\u09b0\u09cd\u09a6\u09bf\u09b7\u09cd\u099f \u09ad\u09b0\u09c7\u09b0 \u0995\u09cb\u09a8 \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u099a\u09be\u09aa \u099a\u09be\u09b0\u0997\u09c1\u09a3 \u0995\u09b0\u09b2\u09c7 \u09b8\u09c7\u099f\u09bf\u09b0 \u0986\u09df\u09a4\u09a8 \u0995\u09a4 \u09b9\u09ac\u09c7 ?<\/strong><\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8 :<\/strong> \u09ac\u09df\u09c7\u09b2\u09c7\u09b0 \u09b8\u09c2\u09a4\u09cd\u09b0\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7, P\u2081V\u2081 = P\u2082V\u2082\u0964 \u098f\u0996\u09be\u09a8\u09c7 P\u2082 = 4P\u2081\u0964<\/p>\n<p>\u0985\u09a4\u098f\u09ac, P\u2081V\u2081 = 4P\u2081 \u00d7 V\u2082\u21d2V\u2082 = `frac(V\u2081){4}` \u0985\u09b0\u09cd\u09a5\u09be\u09ce \u0986\u09af\u09bc\u09a4\u09a8 \u098f\u0995-\u099a\u09a4\u09c1\u09b0\u09cd\u09a5\u09be\u0982\u09b6 \u09b9\u09ac\u09c7\u0964<\/p>\n<p><strong>3.3 Na \u098f\u09ac\u0982 Na\u207a \u098f\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u0995\u09cb\u09a8\u099f\u09bf \u09ac\u09c7\u09b6\u09bf \u09b8\u09c1\u09b8\u09cd\u09a5\u09bf\u09a4 \u098f\u09ac\u0982 \u0995\u09c7\u09a8 ?<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> Na\u207a \u09ac\u09c7\u09b6\u09bf \u09b8\u09c1\u09b8\u09cd\u09a5\u09bf\u09a4\u0964 \u0995\u09be\u09b0\u09a3 Na\u207a \u0986\u09af\u09bc\u09a8\u09c7\u09b0 \u09ac\u09be\u0987\u09b0\u09c7\u09b0 \u0995\u0995\u09cd\u09b7\u09c7 8\u099f\u09bf \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u09a5\u09be\u0995\u09c7 (\u0985\u09b7\u09cd\u099f\u0995 \u09aa\u09c2\u09b0\u09cd\u09a3), \u09af\u09be \u09a8\u09bf\u09b7\u09cd\u0995\u09cd\u09b0\u09bf\u09df \u0997\u09cd\u09af\u09be\u09b8 \u09a8\u09bf\u09df\u09a8\u09c7\u09b0 \u09ae\u09a4\u09cb \u09b8\u09cd\u09a5\u09bf\u09a4\u09bf\u09b6\u09c0\u09b2 \u09ac\u09bf\u09a8\u09cd\u09af\u09be\u09b8\u0964<\/p>\n<p><strong>3.4 \u09ae\u09cc\u09b2\u09c7\u09b0 \u0986\u09df\u09a8\u09a8 \u09b6\u0995\u09cd\u09a4\u09bf \u09ac\u09b2\u09a4\u09c7 \u0995\u09c0 \u09ac\u09cb\u099d ?<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09ad\u09c2\u09ae\u09bf\u09b8\u09cd\u09a4\u09b0\u09c7 \u09a5\u09be\u0995\u09be \u0995\u09cb\u09a8\u09cb \u09ae\u09cc\u09b2\u09c7\u09b0 \u09ac\u09bf\u099a\u09cd\u099b\u09bf\u09a8\u09cd\u09a8 \u0997\u09cd\u09af\u09be\u09b8\u09c0\u09df \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u09b8\u09ac\u099a\u09c7\u09af\u09bc\u09c7 \u09ac\u09be\u0987\u09b0\u09c7\u09b0 \u0995\u0995\u09cd\u09b7\u09c7\u09b0 \u098f\u0995\u099f\u09bf \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8\u0995\u09c7 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u0985\u09aa\u09b8\u09be\u09b0\u09bf\u09a4 \u0995\u09b0\u09c7 \u098f\u0995\u0995 \u09a7\u09a8\u09be\u09a4\u09cd\u09ae\u0995 \u0986\u09af\u09bc\u09a8\u09c7 \u09aa\u09b0\u09bf\u09a3\u09a4 \u0995\u09b0\u09a4\u09c7 \u09af\u09c7 \u09a8\u09cd\u09af\u09c2\u09a8\u09a4\u09ae \u09b6\u0995\u09cd\u09a4\u09bf\u09b0 \u09aa\u09cd\u09b0\u09df\u09cb\u099c\u09a8 \u09b9\u09df\u0964<\/p>\n<p><strong>3.5 MgCl\u2082 \u098f\u09ac\u0982 CO\u2082 \u098f\u09b0 \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u09a1\u099f\u09cd \u0997\u09a0\u09a8 \u09a6\u09c7\u0996\u09be\u0993\u0964<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> MgCl\u2082 : Mg \u09a6\u09c1\u099f\u09bf \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u09ac\u09b0\u09cd\u099c\u09a8 \u0995\u09b0\u09c7 Mg\u00b2\u207a \u09b9\u09df \u098f\u09ac\u0982 \u09a6\u09c1\u099f\u09bf CI \u09aa\u09b0\u09ae\u09be\u09a3\u09c1 \u098f\u0995\u099f\u09bf \u0995\u09b0\u09c7 \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u0997\u09cd\u09b0\u09b9\u09a3 \u0995\u09b0\u09c7 Cl\u00af \u09b9\u09df\u0964<\/p>\n<p style=\"text-align: center;\">[:C\u0308l:]\u207b [Mg]\u00b2\u207a [:C\u0308I:]\u207b<\/p>\n<p>CO\u2082 : \u0995\u09be\u09b0\u09cd\u09ac\u09a8\u09c7\u09b0 4\u099f\u09bf \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u09a6\u09c1\u0987 \u09aa\u09be\u09b6\u09c7\u09b0 \u09a6\u09c1\u099f\u09bf \u0985\u0995\u09cd\u09b8\u09bf\u099c\u09c7\u09a8\u09c7\u09b0 2\u099f\u09bf \u0995\u09b0\u09c7 \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8\u09c7\u09b0 \u09b8\u09be\u09a5\u09c7 \u09ae\u09cb\u099f 4\u099f\u09bf \u099c\u09cb\u09dc (\u09a6\u09cd\u09ac\u09bf\u09ac\u09a8\u09cd\u09a7\u09a8) \u0997\u09a0\u09a8 \u0995\u09b0\u09c7\u0964 (O = C = O) \u0964<\/p>\n<p style=\"text-align: center;\">:\u00d6:: C ::\u00d6:<\/p>\n<p><strong>3.6 \u09ac\u09cb\u09a4\u09b2\u09c7\u09b0 \u0997\u09b2\u09be\u09df \u0997\u09b0\u09ae \u099c\u09b2 \u09a2\u09be\u09b2\u09b2\u09c7 \u0986\u0981\u099f\u09be \u099b\u09bf\u09aa\u09bf \u0986\u09b2\u0997\u09be \u09b9\u09df \u0995\u09c7\u09a8 ?<\/strong><\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09ac\u09cb\u09a4\u09b2\u09c7\u09b0 \u0997\u09b2\u09be\u09df \u0997\u09b0\u09ae \u099c\u09b2 \u09a2\u09be\u09b2\u09b2\u09c7 \u09a4\u09be\u09aa\u09c7\u09b0 \u09aa\u09cd\u09b0\u09ad\u09be\u09ac\u09c7 \u0995\u09be\u0981\u099a\u09c7\u09b0 \u09a4\u09c1\u09b2\u09a8\u09be\u09af\u09bc \u099b\u09bf\u09aa\u09bf \u09ac\u09be \u09ac\u09cb\u09a4\u09b2\u09c7\u09b0 \u09ae\u09c1\u0996\u09c7\u09b0 \u09aa\u09cd\u09b0\u09b8\u09be\u09b0\u09a3 \u09ac\u09c7\u09b6\u09bf \u09b9\u09af\u09bc, \u09ab\u09b2\u09c7 \u0986\u0981\u099f\u09be \u099b\u09bf\u09aa\u09bf \u0986\u09b2\u0997\u09be \u09b9\u09df\u09c7 \u09af\u09be\u09df\u0964<\/p>\n<p><span style=\"color: #ff0000;\"><strong>4. \u09a8\u09c0\u099a\u09c7\u09b0 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u0989\u09a4\u09cd\u09a4\u09b0 \u09a6\u09be\u0993 : 3\u00d74=12<\/strong><\/span><\/p>\n<p>4.1 760 mm Hg \u099a\u09be\u09aa\u09c7 0\u00b0C \u0989\u09df\u09a4\u09be\u09df \u0995\u09bf\u099b\u09c1 \u09aa\u09b0\u09bf\u09ae\u09be\u09a8 \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u0986\u09df\u09a4\u09a8 300 cm\u00b3 \u098f\u0995\u0987 \u099a\u09be\u09aa\u09c7 546 \u00b0C \u0989\u09a8\u09cd\u09a8\u09a4\u09be\u09df \u0997\u09cd\u09af\u09be\u09b8\u099f\u09bf\u09b0 \u0986\u09df\u09a4\u09a8 \u0995\u09a4 \u09b9\u09ac\u09c7 ?<\/p>\n<p>4.2 50g CaCO\u2083 \u09a5\u09c7\u0995\u09c7 55.5g CaCl\u2082, 22g CO\u2082 9g H\u2082O \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u0995\u09b0\u09a4\u09c7 \u0995\u09a4 \u0997\u09cd\u09b0\u09be\u09ae HCI \u09aa\u09cd\u09b0\u09df\u09cb\u099c\u09a8 \u09b9\u09ac\u09c7 ? \u09aa\u09cd\u09b0\u09df\u09cb\u099c\u09a8\u09c0\u09df HCI-\u098f\u09b0 \u09ae\u09cb\u09b2 \u09b8\u0982\u0996\u09cd\u09af\u09be \u0995\u09a4 ? [H = 1] Cl = 35.5]<\/p>\n<p>4.3 \u09a4\u09dc\u09bf\u09ce \u098b\u09a3\u09be\u09a4\u09cd\u09ae\u0995\u09a4\u09be \u0995\u09be\u0995\u09c7 \u09ac\u09b2\u09c7 ? \u09aa\u09b0\u09cd\u09af\u09be\u09df \u0993 \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u09ac\u09b0\u09be\u09ac\u09b0 \u09a4\u09dc\u09bf\u09ce \u098b\u09a3\u09be\u09a4\u09cd\u09ae\u0995\u09a4\u09be \u0995\u09bf\u09ad\u09be\u09ac\u09c7 \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09bf\u09a4 \u09b9\u09df ?<\/p>\n<p>4.4 \u0995\u09a0\u09bf\u09a8\u09c7\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0 \u09aa\u09cd\u09b0\u09b8\u09be\u09b0\u09a3 \u0997\u09c1\u09a3\u09be\u0999\u09cd\u0995 \u0993 \u0986\u09df\u09a4\u09a8 \u09aa\u09cd\u09b0\u09b8\u09be\u09b0\u09a3 \u0997\u09c1\u09a8\u09be\u0999\u09cd\u0995\u09c7\u09b0 \u09b8\u0982\u099c\u09cd\u099e\u09be \u09a6\u09be\u0993\u0964 \u098f\u09a6\u09c7\u09b0 \u09b8\u0999\u09cd\u0997\u09c7 \u09b0\u09c8\u0996\u09bf\u0995 \u09aa\u09cd\u09b0\u09b8\u09be\u09b0\u09a3 \u0997\u09c1\u09a8\u09be\u0999\u09cd\u0995\u09c7\u09b0 \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995 \u0995\u09c0 ?<\/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-4 Class 10 Physical Science First Unit Test Question with Answer Set-4 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-\u09ea \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 BARUIPUR HIGH SCHOOL (H.S.) First Unit Test &#8211; 2024 Class &#8230; <a title=\"Class 10 Physical Science First Unit Test Question with Answer Set-4 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-\u09ea\" class=\"read-more\" href=\"https:\/\/hazarnotes.com\/mystaging01\/class-10-physical-science-first-unit-test-question-with-answer-set-4\/\" aria-label=\"Read more about Class 10 Physical Science First Unit Test Question with Answer Set-4 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-\u09ea\">Read 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-6226","post","type-post","status-publish","format-standard","hentry","category-121"],"_links":{"self":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts\/6226","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=6226"}],"version-history":[{"count":0,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts\/6226\/revisions"}],"wp:attachment":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/media?parent=6226"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/categories?post=6226"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/tags?post=6226"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}