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Get Answers to all your Questions
Mention with reason the colour changes observed when :
(i) silver chloride is exposed to sunlight.
(ii) copper powder is strongly heated in the presence of oxygen.
(iii) a piece of zinc is dropped in copper sulphate solution.
Answers (1)
(i) When silver chloride is exposed to sunlight it changes from White to grey
Reason : Silver chloride decomposes to produce silver and chlorine.
(ii) When the copper powder is strongly heated in the presence of oxygen. it changes from Brown to black
Reason: Copper oxide is produced on heating.
(iii) When a piece of zinc is dropped in a copper sulphate solution. Blue to colourless
Reason: Zinc Sulphate is formed.
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