{"id":2702,"date":"2019-02-16T07:29:38","date_gmt":"2019-02-16T01:59:38","guid":{"rendered":"http:\/\/astan.lk\/al_virtualclassroom\/?p=2702"},"modified":"2019-02-16T08:46:46","modified_gmt":"2019-02-16T03:16:46","slug":"%e0%ae%aa%e0%ae%a3%e0%af%8d%e0%ae%aa%e0%ae%b1%e0%ae%bf%e0%ae%b0%e0%af%80%e0%ae%a4%e0%ae%bf%e0%ae%af%e0%ae%be%e0%ae%a9-%e0%ae%aa%e0%ae%95%e0%af%81%e0%ae%aa%e0%af%8d%e0%ae%aa%e0%ae%be%e0%ae%af%e0%af%8d","status":"publish","type":"post","link":"https:\/\/astan.lk\/al_virtualclassroom\/ta\/%e0%ae%aa%e0%ae%a3%e0%af%8d%e0%ae%aa%e0%ae%b1%e0%ae%bf%e0%ae%b0%e0%af%80%e0%ae%a4%e0%ae%bf%e0%ae%af%e0%ae%be%e0%ae%a9-%e0%ae%aa%e0%ae%95%e0%af%81%e0%ae%aa%e0%af%8d%e0%ae%aa%e0%ae%be%e0%ae%af%e0%af%8d\/","title":{"rendered":"\u0baa\u0ba3\u0bcd\u0baa\u0bb1\u0bbf\u0bb0\u0bc0\u0ba4\u0bbf\u0baf\u0bbe\u0ba9 \u0baa\u0b95\u0bc1\u0baa\u0bcd\u0baa\u0bbe\u0baf\u0bcd\u0bb5\u0bc1 &#8211; \u0b95\u0bb1\u0bcd\u0bb1\u0baf\u0ba9\u0bcd\u0b95\u0bb3\u0bcd"},"content":{"rendered":"<h3><span style=\"color: #000000;\">\u0bb5\u0bc0\u0bb4\u0bcd\u0baa\u0bcd\u0baa\u0b9f\u0bbf\u0bb5\u0bbe\u0b95\u0bcd\u0b95\u0bb2\u0bcd \u0bae\u0bc2\u0bb2\u0bae\u0bcd \u0b87\u0ba9\u0bae\u0bcd \u0b95\u0bbe\u0ba3\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0bae\u0bcd \u0b95\u0bb1\u0bcd\u0bb1\u0baf\u0ba9\u0bcd\u0b95\u0bb3\u0bcd<\/span><\/h3>\n<p>d<sup>7<\/sup> , d<sup>8<\/sup> ,d<sup>9<\/sup> , d<sup>10<\/sup> \u0b87\u0bb2\u0ba4\u0bcd\u0ba4\u0bbf\u0bb0\u0ba9\u0bcd \u0b95\u0b9f\u0bcd\u0b9f\u0bae\u0bc8\u0baa\u0bcd\u0baa\u0bc1\u0b9f\u0bc8\u0baf \u0b95\u0bb1\u0bcd\u0bb1\u0baf\u0ba9\u0bcd\u0b95\u0bb3\u0bbf\u0ba9\u0bcd \u0bb5\u0bc0\u0bb4\u0bcd\u0baa\u0b9f\u0bbf\u0bb5\u0bc1 \u0bae\u0bc7\u0bb2\u0ba4\u0bbf\u0b95\u00a0\u0b85\u0bae\u0bcb\u0ba9\u0bbf\u0baf\u0bbe\u0bb5\u0bbf\u0bb2\u0bcd \u0b95\u0bb0\u0bc8\u0ba8\u0bcd\u0ba4\u0bc1 \u0b85\u0bb5\u0bb1\u0bcd\u0bb1\u0bbf\u0ba9\u0bcd \u0b89\u0bb1\u0bc1\u0ba4\u0bbf\u0baf\u0bbe\u0ba9 \u0b9a\u0bbf\u0b95\u0bcd\u0b95\u0bb2\u0baf\u0ba9\u0bcd\u0b95\u0bb3\u0bc8 \u0bae\u0bc1\u0bb1\u0bc8\u0baf\u0bc7\u00a0\u0b89\u0bb0\u0bc1\u0bb5\u0bbe\u0b95\u0bcd\u0b95\u0bc1\u0b95\u0bbf\u0ba9\u0bcd\u0bb1\u0ba9.<br \/>\nM<sup>2+<\/sup>(aq) + X<sup>2-<\/sup> (aq) \u2192\u00a0MX(s)<br \/>\n(d<sup>7<\/sup>) [Co(NH<sub>3<\/sub>)<sub>6<\/sub>]<sup>2+<\/sup>&#8211; \u0bae\u0b9e\u0bcd\u0b9a\u0bb3\u0bcd \u0b95\u0baa\u0bbf\u0bb2\u0bae\u0bcd \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0(d<sup>10<\/sup>) [Zn(NH<sub>3<\/sub>)<sub>4<\/sub>]<sup>2+<\/sup>\u00a0&#8211; \u0ba8\u0bbf\u0bb1\u0bae\u0bb1\u0bcd\u0bb1\u0ba4\u0bc1<br \/>\n(d<sup>8<\/sup>) [Ni(NH<sub>3<\/sub>)<sub>6<\/sub>]<sup>2+<\/sup>\u00a0&#8211; \u0b95\u0bb0\u0bc1\u0ba8\u0bc0\u0bb2\u0bae\u0bcd \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 (d<sup>10<\/sup>) [Ag(NH<sub>3<\/sub>)2]<sup>+<\/sup>\u00a0&#8211; \u0ba8\u0bbf\u0bb1\u0bae\u0bb1\u0bcd\u0bb1\u0ba4\u0bc1<br \/>\n(d<sup>9<\/sup>) [Cu(NH<sub>3<\/sub>)<sub>4<\/sub>]<sup>2+<\/sup>\u00a0&#8211; \u0b95\u0bb0\u0bc1\u0ba8\u0bc0\u0bb2\u0bae\u0bcd \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0(d<sup>10<\/sup>) [Cd(NH<sub>3<\/sub>)<sub>4<\/sub>]<sup>2+<\/sup>\u00a0&#8211; \u0ba8\u0bbf\u0bb1\u0bae\u0bb1\u0bcd\u0bb1\u0ba4\u0bc1<\/p>\n<h3><span style=\"color: #000000;\">NH<sub>4<\/sub><sup>+<\/sup> \u0b87\u0ba9\u0b99\u0bcd\u0b95\u0bbe\u0ba3\u0bb2\u0bcd<\/span><\/h3>\n<p>\u0b85\u0bae\u0bcb\u0ba9\u0bbf\u0baf\u0bae\u0bcd \u0b89\u0baa\u0bcd\u0baa\u0bc1\u0b95\u0bcd\u0b95\u0bb3\u0bcd \u0b95\u0bbe\u0bb0\u0b95\u0bcd \u0b95\u0bb0\u0bc8\u0b9a\u0bb2\u0bc1\u0b9f\u0ba9\u0bcd (NaOH, KOH , Ca(OH)<sub>2<\/sub> )\u00a0\u0b85\u0bae\u0bcb\u0ba9\u0bbf\u0baf\u0bbe\u00a0\u0bb5\u0bbe\u0baf\u0bc1\u0bb5\u0bc8 \u0bb5\u0bc6\u0bb3\u0bbf\u0bb5\u0bbf\u0b9f\u0bc1\u0b95\u0bbf\u0ba9\u0bcd\u0bb1\u0ba9.<br \/>\n\u0b89\u0ba4\u0bbe\u0bb0\u0ba3\u0bae\u0bcd :- NH<sub>4<\/sub>Cl (s) + NaOH (aq)\u00a0\u2192 NH<sub>3<\/sub> (g) + Na<sup>+<\/sup> (aq) + Cl<sup>&#8211;<\/sup> (aq) + H<sub>2<\/sub>O (l)<\/p>\n<p>NH<sub>3<\/sub> <sup>+<\/sup> \u0ba8\u0bc6\u0bb8\u0bcd\u0bb2\u0bb0\u0bbf\u0ba9\u0bcd \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0baa\u0bcd\u0baa\u0bca\u0bb0\u0bc1\u0bb3\u0bcd \u2192\u00a0\u0b95\u0baa\u0bbf\u0bb2\u0ba8\u0bbf\u0bb1 \u0bb5\u0bc0\u0bb4\u0bcd\u0baa\u0b9f\u0bbf\u0bb5\u0bc1 \/ \u0ba8\u0bbf\u0bb1\u0bae\u0bcd<\/p>\n<h3><span style=\"color: #000000;\">\u0b95\u0bb1\u0bcd\u0bb1\u0baf\u0ba9\u0bcd\u0b95\u0bb3\u0bbf\u0ba9\u0bcd \u0b95\u0bb2\u0bb5\u0bc8\u0baf\u0bc8 \u0baa\u0bbf\u0bb0\u0bbf\u0baa\u0bcd\u0baa\u0ba4\u0bb1\u0bcd\u0b95\u0bbe\u0ba9 \u0baa\u0b9f\u0bbf\u0bae\u0bc1\u0bb1\u0bc8<\/span><\/h3>\n<p>\u0baa\u0ba3\u0bcd\u0baa\u0bb1\u0bbf \u0bb0\u0bc0\u0ba4\u0bbf\u0baf\u0bbe\u0ba9 \u0baa\u0b95\u0bc1\u0baa\u0bcd\u0baa\u0bbe\u0baf\u0bcd\u0bb5\u0bc1 \u0bb5\u0bc0\u0bb4\u0bcd\u0baa\u0b9f\u0bbf\u0bb5\u0bc1 \u0bae\u0bc1\u0bb1\u0bc8 \u0bae\u0bc2\u0bb2\u0bae\u0bcd \u0b95\u0bb1\u0bcd\u0bb1\u0baf\u0ba9\u0bcd\u0b95\u0bb3\u0bbf\u0ba9\u0bcd \u0b95\u0bb2\u0bb5\u0bc8\u0baf\u0bc8\u00a0\u0baa\u0b95\u0bc1\u0baa\u0bcd\u0baa\u0bbe\u0baf\u0bcd\u0ba8\u0bcd\u0ba4\u0bc1 \u0b90\u0ba8\u0bcd\u0ba4\u0bc1 \u0b95\u0b9f\u0bcd\u0b9f\u0b99\u0bcd\u0b95\u0bb3\u0bbe\u0b95 \u0baa\u0bbf\u0bb0\u0bbf\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0b95\u0bbf\u0ba9\u0bcd\u0bb1\u0ba4\u0bc1. \u0b87\u0baa\u0bcd\u0baa\u0b95\u0bc1\u0baa\u0bcd\u0baa\u0bbe\u0baf\u0bcd\u0bb5\u0bc1 \u0bae\u0bc1\u0bb1\u0bc8\u0baf\u0bbe\u0ba9\u0ba4\u0bc1 \u0ba4\u0bc7\u0bb0\u0bcd\u0bb5\u0bc1 \u0bb5\u0bc0\u0bb4\u0bcd\u0baa\u0b9f\u0bbf\u0bb5\u0bbe\u0b95\u0bcd\u0b95\u0bb2\u0bcd \u0ba4\u0ba4\u0bcd\u0ba4\u0bc1\u0bb5\u0ba4\u0bcd\u0ba4\u0bc8 \u0b85\u0b9f\u0bbf\u0baa\u0bcd\u0baa\u0b9f\u0bc8\u0baf\u0bbe\u0b95\u0b95\u0bcd \u0b95\u0bca\u0ba3\u0bcd\u0b9f\u0ba4\u0bc1.<\/p>\n<h3><span style=\"color: #000000;\"><strong>\u0b95\u0bc2\u0b9f\u0bcd\u0b9f\u0bae\u0bcd 1<\/strong><\/span><\/h3>\n<p>\u0b95\u0bb1\u0bcd\u0bb1\u0baf\u0ba9\u0bcd\u0b95\u0bb3\u0bc8\u0b95\u0bcd \u0b95\u0bca\u0ba3\u0bcd\u0b9f \u0b95\u0bb2\u0bb5\u0bc8\u0b95\u0bcd \u0b95\u0bb0\u0bc8\u0b9a\u0bb2\u0bbf\u0ba9\u0bc1\u0bb3\u0bcd \u0b95\u0bc1\u0bb3\u0bbf\u0bb0\u0bcd\u0ba8\u0bcd\u0ba4 \u0b90\u0ba4\u0bbe\u0ba9 HCl\u00a0\u0b95\u0bb0\u0bc8\u0b9a\u0bb2\u0bc8 \u0bae\u0bc7\u0bb2\u0ba4\u0bbf\u0b95\u0bae\u0bbe\u0b95 \u0b9a\u0bc7\u0bb0\u0bcd\u0b95\u0bcd\u0b95.Ag<sup>+<\/sup> , Pb<sup>2+<\/sup>, Hg<sub>2<\/sub><sup>2+<\/sup>\u00a0\u0b85\u0baf\u0ba9\u0bcd\u0b95\u0bb3\u0bcd \u0bae\u0b9f\u0bcd\u0b9f\u0bc1\u0bae\u0bcd \u0b95\u0bb0\u0bc8\u0ba4\u0bbf\u0bb1\u0ba9\u0bcd\u00a0\u0b85\u0bb1\u0bcd\u0bb1 \u0b95\u0bc1\u0bb3\u0bcb\u0bb0\u0bc8\u0b9f\u0bcd\u0b9f\u0bc1\u0b95\u0bcd\u0b95\u0bb3\u0bbe\u0b95 \u0bb5\u0bc0\u0bb4\u0bcd\u0baa\u0b9f\u0bbf\u0bb5\u0bbe\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0b95\u0bbf\u0ba9\u0bcd\u0bb1\u0ba4\u0bc1.(AgCl , PbCl<sub>2<\/sub> , Hg<sub>2<\/sub>Cl<sub>2<\/sub>)<\/p>\n<h3><span style=\"color: #000000;\">\u0b95\u0bc2\u0b9f\u0bcd\u0b9f\u0bae\u0bcd 2<\/span><\/h3>\n<p>\u0b95\u0bc2\u0b9f\u0bcd\u0b9f\u0bae\u0bcd 1 \u0b87\u0bb2\u0bcd \u0b95\u0bb0\u0bc8\u0ba4\u0bbf\u0bb1\u0ba9\u0bb1\u0bcd\u0bb1 \u0b95\u0bc1\u0bb3\u0bcb\u0bb0\u0bc8\u0b9f\u0bcd\u0b9f\u0bc1\u0b95\u0bcd\u0b95\u0bb3\u0bc8 \u0b85\u0b95\u0bb1\u0bcd\u0bb1\u0bbf\u0baf \u0baa\u0bbf\u0ba9\u0bcd \u0baa\u0bc6\u0bb1\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0bae\u0bcd\u00a0\u0bb5\u0b9f\u0bbf\u0ba4\u0bbf\u0bb0\u0bb5\u0bae\u0bcd \u0ba4\u0bca\u0b9f\u0bb0\u0bcd\u0ba8\u0bcd\u0ba4\u0bc1\u0bae\u0bcd \u0b85\u0bae\u0bbf\u0bb2\u0ba4\u0bcd \u0ba4\u0ba9\u0bcd\u0bae\u0bc8\u0baf\u0bc1\u0b9f\u0bc8\u0baf\u0ba4\u0bbe\u0b95 \u0b87\u0bb0\u0bc1\u0b95\u0bcd\u0b95\u0bc1\u0bae\u0bcd. \u0b87\u0bb5\u0bcd\u0bb5\u0b9f\u0bbf\u0ba4\u0bbf\u0bb0\u0bb5\u0ba4\u0bcd\u0ba4\u0bbf\u0ba9\u0bc2\u0b9f\u0bbe\u0b95 H<sub>2<\/sub>S \u0b9a\u0bc6\u0bb2\u0bc1\u0ba4\u0bcd\u0ba4\u0bc1\u0bae\u0bcd \u0baa\u0bcb\u0ba4\u0bc1 \u0baa\u0bbf\u0ba9\u0bcd\u0bb5\u0bb0\u0bc1\u0bae\u0bcd \u0b9a\u0bb2\u0bcd\u0baa\u0bc8\u0b9f\u0bcd\u0b9f\u0bc1\u0b95\u0bcd\u0b95\u0bb3\u0bcd \u0bae\u0bbe\u0ba4\u0bcd\u0ba4\u0bbf\u0bb0\u0bae\u0bcd\u00a0\u0bb5\u0bc0\u0bb4\u0bcd\u0baa\u0b9f\u0bbf\u0bb5\u0bbe\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0b95\u0bbf\u0ba9\u0bcd\u0bb1\u0ba9.<br \/>\nPb<sup>2+<\/sup> (aq) \u2192\u00a0PbS(s) (\u0b95\u0bb1\u0bc1\u0baa\u0bcd\u0baa\u0bc1) \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Sn<sup>2+<\/sup> (aq) \u2192\u00a0\u00a0SnS(s) (\u0b95\u0baa\u0bbf\u0bb2\u0bae\u0bcd)<br \/>\nCu<sup>2+<\/sup> (aq)\u2192\u00a0 CuS(s) (\u0b95\u0bb1\u0bc1\u0baa\u0bcd\u0baa\u0bc1) \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Sn<sup>4+<\/sup> (aq) \u2192\u00a0\u00a0SnS<sub>2<\/sub>(s) (\u0bae\u0b9e\u0bcd\u0b9a\u0bb3\u0bcd)<br \/>\nHg<sup>2+<\/sup> (aq) \u2192\u00a0\u00a0HgS(s) (\u0b95\u0bb1\u0bc1\u0baa\u0bcd\u0baa\u0bc1) \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Sb<sup>3+<\/sup> (aq)\u00a0\u2192\u00a0 Sb<sub>2<\/sub>S<sub>3<\/sub>(s) (\u0b9a\u0bc6\u0bae\u0bcd\u0bae\u0b9e\u0bcd\u0b9a\u0bb3\u0bcd)<br \/>\nBi<sup>3+<\/sup> (aq) \u00a0\u2192\u00a0Bi<sub>2<\/sub>S<sub>3<\/sub>(s) (\u0b95\u0bb1\u0bc1\u0baa\u0bcd\u0baa\u0bc1) \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 As<sup>3+<\/sup> (aq) \u2192\u00a0\u00a0As<sub>2<\/sub>S<sub>3<\/sub>(s) (\u0bae\u0b9e\u0bcd\u0b9a\u0bb3\u0bcd)<br \/>\nCd<sup>2+<\/sup> (aq) \u2192\u00a0\u00a0CdS(s) (\u0bae\u0b9e\u0bcd\u0b9a\u0bb3\u0bcd)<\/p>\n<p>\u0bb5\u0b9f\u0bbf\u0ba4\u0bbf\u0bb0\u0bb5\u0bae\u0bcd \u0b85\u0bae\u0bbf\u0bb2\u0ba4\u0bcd \u0ba4\u0ba9\u0bcd\u0bae\u0bc8\u0baf\u0bbe\u0ba9\u0ba4\u0bbe\u0b95 \u0b87\u0bb0\u0bc1\u0baa\u0bcd\u0baa\u0ba4\u0bbe\u0bb2\u0bcd \u0b90\u0ba4\u0bb0\u0b9a\u0ba9\u0bcd \u0b85\u0baf\u0ba9\u0bcd \u0b9a\u0bc6\u0bb1\u0bbf\u0bb5\u0bc1\u00a0\u0b89\u0baf\u0bb0\u0bcd\u0bb5\u0bbe\u0b95 \u0b89\u0bb3\u0bcd\u0bb3\u0ba4\u0bc1. \u0b8e\u0ba9\u0bb5\u0bc7 H<sup>+<\/sup> \u0baa\u0bca\u0ba4\u0bc1 \u0b85\u0baf\u0ba9\u0bcd \u0bb5\u0bbf\u0bb3\u0bc8\u0bb5\u0bbf\u0ba9\u0bbe\u0bb2\u0bcd H<sub>2<\/sub>S \u0b87\u0ba9\u0bcd\u00a0\u0b95\u0bc2\u0b9f\u0bcd\u0b9f\u0bb1\u0bcd \u0baa\u0bbf\u0bb0\u0bbf\u0b95\u0bc8 \u0b95\u0bc1\u0bb1\u0bc8\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0b95\u0bbf\u0ba9\u0bcd\u0bb1\u0ba4\u0bc1. \u0b87\u0ba4\u0ba9\u0bbe\u0bb2\u0bcd \u0b95\u0bb0\u0bc8\u0b9a\u0bb2\u0bbf\u0bb2\u0bcd S<sup>2-<\/sup> \u0b9a\u0bc6\u0bb1\u0bbf\u0bb5\u0bc1\u00a0\u0b95\u0bc1\u0bb1\u0bc8\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0b95\u0bbf\u0ba9\u0bcd\u0bb1\u0ba4\u0bc1. \u0b8e\u0ba9\u0bb5\u0bc7 \u0b89\u0baf\u0bb0\u0bcd Ksp \u0baa\u0bc6\u0bb1\u0bc1\u0bae\u0bbe\u0ba9\u0bae\u0bc1\u0b9f\u0bc8\u0baf\u00a0Mn<sup>2+<\/sup> , Zn<sup>2+<\/sup> , Co<sup>2+<\/sup> ,\u00a0Ni<sup>2+<\/sup>\u00a0\u0b85\u0baf\u0ba9\u0bcd\u0b95\u0bb3\u0bcd \u0bb5\u0bc0\u0bb4\u0bcd\u0baa\u0b9f\u0bbf\u0bb5\u0bbe\u0ba4\u0bb2\u0bcd \u0ba4\u0b9f\u0bc1\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0b95\u0bbf\u0ba9\u0bcd\u0bb1\u0ba4\u0bc1.<\/p>\n<h3><span style=\"color: #000000;\">\u0b95\u0bc2\u0b9f\u0bcd\u0b9f\u0bae\u0bcd 3<\/span><\/h3>\n<p>\u0b95\u0bc2\u0b9f\u0bcd\u0b9f\u0bae\u0bcd 2 \u0b87\u0bb2\u0bcd \u0baa\u0bc6\u0bb1\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0bae\u0bcd \u0bb5\u0b9f\u0bbf\u0ba4\u0bbf\u0bb0\u0bb5\u0ba4\u0bcd\u0ba4\u0bc8 \u0b95\u0bca\u0ba4\u0bbf\u0b95\u0bcd\u0b95 \u0bb5\u0bc8\u0baa\u0bcd\u0baa\u0ba4\u0ba9\u0bcd \u0bae\u0bc2\u0bb2\u0bae\u0bcd \u0b95\u0bb0\u0bc8\u0ba8\u0bcd\u0ba4\u0bc1\u0bb3\u0bcd\u0bb3 H<sub>2<\/sub>S\u00a0\u0b85\u0b95\u0bb1\u0bcd\u0bb1\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0bae\u0bcd. \u0baa\u0bbf\u0ba9\u0bcd\u0ba9\u0bb0\u0bcd \u0bb5\u0b9f\u0bbf\u0ba4\u0bbf\u0bb0\u0bb5\u0bae\u0bcd \u0b9a\u0bbf\u0bb2 \u0ba8\u0bbf\u0bae\u0bbf\u0b9f\u0b99\u0bcd\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bc1 \u0b9a\u0bc6\u0bb1\u0bbf\u0ba8\u0bcd\u0ba4 HNO<sub>3<\/sub> \u0b89\u0b9f\u0ba9\u0bcd\u00a0\u0b95\u0bca\u0ba4\u0bbf\u0b95\u0bcd\u0b95\u0b9a\u0bcd \u0b9a\u0bc6\u0baf\u0bcd\u0baf\u0bc1\u0bae\u0bcd \u0baa\u0bcb\u0ba4\u0bc1 Fe<sup>2+<\/sup> , Fe<sup>3+<\/sup> \u0b86\u0b95 \u0b92\u0b9f\u0bcd\u0b9a\u0bbf\u0baf\u0bc7\u0bb1\u0bcd\u0bb1\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0b95\u0bbf\u0ba9\u0bcd\u0bb1\u0ba4\u0bc1. \u0b95\u0bb0\u0bc8\u0b9a\u0bb2\u0bc1\u0b95\u0bcd\u0b95\u0bc1\u00a0\u0baa\u0bbf\u0ba9\u0bcd\u0ba9\u0bb0\u0bcd NH<sub>4<\/sub>Cl , NH<sub>4<\/sub>OH \u0b9a\u0bc7\u0bb0\u0bcd\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0b95\u0bbf\u0ba9\u0bcd\u0bb1\u0ba4\u0bc1.<br \/>\nFe<sup>3+<\/sup> (aq) \u2192\u00a0Fe(OH)<sub>3<\/sub> (s) (\u0b9a\u0bc6\u0b99\u0bcd\u0b95\u0baa\u0bbf\u0bb2\u0bae\u0bcd)<br \/>\nAl<sup>3+<\/sup> (aq) \u2192\u00a0Al(OH)<sub>3<\/sub> (s) (\u0bb5\u0bc6\u0ba3\u0bcd\u0ba3\u0bbf\u0bb1 \u0bb5\u0bc0\u0bb4\u0bcd\u0baa\u0b9f\u0bbf\u0bb5\u0bc1)<br \/>\nCr<sup>3+<\/sup> (aq) \u2192\u00a0Cr(OH)<sub>3<\/sub> (s) (\u0baa\u0b9a\u0bcd\u0b9a\u0bc8)<\/p>\n<h3><span style=\"color: #000000;\"><strong>\u0b95\u0bc2\u0b9f\u0bcd\u0b9f\u0bae\u0bcd 4<\/strong><\/span><\/h3>\n<p>\u0b95\u0bc2\u0b9f\u0bcd\u0b9f\u0bae\u0bcd 3 \u0b87\u0bb2\u0bcd \u0baa\u0bc6\u0bb1\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0bae\u0bcd \u0bb5\u0b9f\u0bbf\u0ba4\u0bbf\u0bb0\u0bb5\u0bae\u0bcd OH<sup>&#8211;<\/sup> \u0b90 \u0b95\u0bca\u0ba3\u0bcd\u0b9f\u0bc1\u0bb3\u0bcd\u0bb3\u0ba4\u0bc1. \u0bae\u0bc2\u0bb2 \u0ba4\u0ba9\u0bcd\u0bae\u0bc8\u0baf\u0bc1\u0b9f\u0bc8\u0baf\u0ba4\u0bc1. \u0b87\u0b95\u0bcd \u0b95\u0bb0\u0bc8\u0b9a\u0bb2\u0bbf\u0ba9\u0bc2\u0b9f\u0bbe\u0b95 OH<sup>&#8211;<\/sup> \u0bae\u0bc1\u0ba9\u0bcd\u0ba9\u0bbf\u0bb2\u0bc8\u0baf\u0bbf\u0bb2\u0bcd H<sub>2<\/sub>S \u0b90 \u0b9a\u0bc6\u0bb2\u0bc1\u0ba4\u0bcd\u0ba4\u0bc1\u0b95.H<sub>2<\/sub>S \u0b87\u0bb2\u0bbf\u0bb0\u0bc1\u0ba8\u0bcd\u0ba4\u0bc1 \u0baa\u0bc6\u0bb1\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0bae\u0bcd H<sup>+<\/sup> (aq) , OH<sup>&#8211;<\/sup> (aq) \u0b87\u0ba9\u0bbe\u0bb2\u0bcd \u0ba8\u0b9f\u0bc1\u0ba8\u0bbf\u0bb2\u0bc8\u0baf\u0bbe\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0bae\u0bcd.\u0b8e\u0ba9\u0bb5\u0bc7 \u0b95\u0bb0\u0bc8\u0b9a\u0bb2\u0bbf\u0bb2\u0bcd S<sup>2-<\/sup> \u0b9a\u0bc6\u0bb1\u0bbf\u0bb5\u0bc1 \u0b85\u0ba4\u0bbf\u0b95\u0bb0\u0bbf\u0b95\u0bcd\u0b95\u0bc1\u0bae\u0bcd.<br \/>\nZn<sup>2+<\/sup> (aq) \u2192\u00a0ZnS (s)\u0bb5\u0bc6\u0bb3\u0bcd\u0bb3\u0bc8<br \/>\nMn<sup>2+<\/sup> (aq) \u2192\u00a0MnS (s)\u0b87\u0bb3\u0bae\u0bcd\u0b9a\u0bbf\u0bb5\u0baa\u0bcd\u0baa\u0bc1<br \/>\nCo<sup>2+<\/sup> (aq) \u2192\u00a0CoS(s)\u0b95\u0bb1\u0bc1\u0baa\u0bcd\u0baa\u0bc1<br \/>\nNi<sup>2+<\/sup> (aq) \u2192\u00a0NiS (s)\u0b95\u0bb1\u0bc1\u0baa\u0bcd\u0baa\u0bc1<\/p>\n<h3><span style=\"color: #000000;\">\u0b95\u0bc2\u0b9f\u0bcd\u0b9f\u0bae\u0bcd 5<\/span><\/h3>\n<p>\u0b95\u0bc2\u0b9f\u0bcd\u0b9f\u0bae\u0bcd 4 \u0b87\u0bb2\u0bcd \u0baa\u0bc6\u0bb1\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0bae\u0bcd \u0bb5\u0b9f\u0bbf\u0ba4\u0bbf\u0bb0\u0bb5\u0ba4\u0bcd\u0ba4\u0bc8 \u0b95\u0bca\u0ba4\u0bbf\u0b95\u0bcd\u0b95\u0b9a\u0bcd \u0b9a\u0bc6\u0baf\u0bcd\u0ba4\u0bc1 H<sub>2<\/sub>S \u0b90\u00a0\u0b85\u0b95\u0bb1\u0bcd\u0bb1\u0bbf\u0baf \u0baa\u0bbf\u0ba9\u0bcd \u0b9a\u0bbf\u0bb1\u0bbf\u0ba4\u0bb3\u0bb5\u0bc1 NH<sub>4<\/sub>Cl \u0b90\u0baf\u0bc1\u0bae\u0bcd \u0bae\u0bc7\u0bb2\u0ba4\u0bbf\u0b95 NH<sub>4<\/sub>OH \u0b90\u0baf\u0bc1\u0bae\u0bcd \u0b9a\u0bc7\u0bb0\u0bcd\u0b95\u0bcd\u0b95\u0bb5\u0bc1\u0bae\u0bcd.\u0b95\u0bb0\u0bc8\u0b9a\u0bb2\u0bc8 \u0bb5\u0bc6\u0baa\u0bcd\u0baa\u0bae\u0bc7\u0bb1\u0bcd\u0bb1\u0bbf\u0baf \u0baa\u0bbf\u0ba9\u0bcd\u0ba9\u0bb0\u0bcd (NH<sub>4<\/sub>)<sub>2<\/sub>CO<sub>3<\/sub> \u0b95\u0bb0\u0bc8\u0b9a\u0bb2\u0bc8\u0b9a\u0bcd \u0b9a\u0bc7\u0bb0\u0bcd\u0b95\u0bcd\u0b95\u0bb5\u0bc1\u0bae\u0bcd. Ca<sup>2+<\/sup>,\u00a0Sr<sup>2+<\/sup> , Ba<sup>2+<\/sup>\u00a0\u0b85\u0baf\u0ba9\u0bcd\u0b95\u0bb3\u0bcd \u0b95\u0bbe\u0baa\u0ba9\u0bc7\u0bb1\u0bcd\u0bb1\u0bc1\u0b95\u0bcd\u0b95\u0bb3\u0bbe\u0b95 \u0bb5\u0bc0\u0bb4\u0bcd\u0baa\u0b9f\u0bbf\u0bb5\u0bc1\u0bb1\u0bc1\u0bae\u0bcd.<br \/>\nCa<sup>2+<\/sup>(aq) \u2192\u00a0\u00a0CaCO<sub>3<\/sub> (s)(\u0bb5\u0bc6\u0bb3\u0bcd\u0bb3\u0bc8)<br \/>\nSr<sup>2+<\/sup>(aq) \u2192\u00a0\u00a0SrCO<sub>3<\/sub> (s)(\u0bb5\u0bc6\u0bb3\u0bcd\u0bb3\u0bc8)<br \/>\nBa<sup>2+<\/sup>(aq) \u2192\u00a0\u00a0BaCO<sub>3<\/sub> (s)\u00a0(\u0bb5\u0bc6\u0bb3\u0bcd\u0bb3\u0bc8)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0bb5\u0bc0\u0bb4\u0bcd\u0baa\u0bcd\u0baa\u0b9f\u0bbf\u0bb5\u0bbe\u0b95\u0bcd\u0b95\u0bb2\u0bcd \u0bae\u0bc2\u0bb2\u0bae\u0bcd \u0b87\u0ba9\u0bae\u0bcd \u0b95\u0bbe\u0ba3\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0bae\u0bcd \u0b95\u0bb1\u0bcd\u0bb1\u0baf\u0ba9\u0bcd\u0b95\u0bb3\u0bcd d7 , d8 ,d9 , d10 \u0b87\u0bb2\u0ba4\u0bcd\u0ba4\u0bbf\u0bb0\u0ba9\u0bcd \u0b95\u0b9f\u0bcd\u0b9f\u0bae\u0bc8\u0baa\u0bcd\u0baa\u0bc1\u0b9f\u0bc8\u0baf \u0b95\u0bb1\u0bcd\u0bb1\u0baf\u0ba9\u0bcd\u0b95\u0bb3\u0bbf\u0ba9\u0bcd \u0bb5\u0bc0\u0bb4\u0bcd\u0baa\u0b9f\u0bbf\u0bb5\u0bc1 \u0bae\u0bc7\u0bb2\u0ba4\u0bbf\u0b95\u00a0\u0b85\u0bae\u0bcb\u0ba9\u0bbf\u0baf\u0bbe\u0bb5\u0bbf\u0bb2\u0bcd \u0b95\u0bb0\u0bc8\u0ba8\u0bcd\u0ba4\u0bc1 \u0b85\u0bb5\u0bb1\u0bcd\u0bb1\u0bbf\u0ba9\u0bcd \u0b89\u0bb1\u0bc1\u0ba4\u0bbf\u0baf\u0bbe\u0ba9 \u0b9a\u0bbf\u0b95\u0bcd\u0b95\u0bb2\u0baf\u0ba9\u0bcd\u0b95\u0bb3\u0bc8 \u0bae\u0bc1\u0bb1\u0bc8\u0baf\u0bc7\u00a0\u0b89\u0bb0\u0bc1\u0bb5\u0bbe\u0b95\u0bcd\u0b95\u0bc1\u0b95\u0bbf\u0ba9\u0bcd\u0bb1\u0ba9. 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