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From: tanviguptaReply 1 of 2Reply
Subject: Contributed Answer/Explanation to Q. 1
   
   potassium

Posted at: Wed Feb 3 14:50:35 2010 (GMT)

From: emma94Reply 2 of 2Reply
Subject: Contributed Answer/Explanation to Q. 17
   
   
   1. Chlorine is a greenish yellow gas with a sharp pungent irritating odour.
   
   
   2. Chlorine turns moist starch iodide paper blue-black.
   
   
   3. Chlorine being an alkaeline, turns blue litmus paper red and then
   bleaches it.
   
   
   4.Pass chlorine through silver nitrate solution, a white precipitate is
   formed.
   
   
   5.It decolourises potassium permanganate solution.

Posted at: Tue Sep 28 09:35:23 2010 (GMT)

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