Question

Why the blue colour of copper sulphate solution is destroyed when iron fillings are added to it

Answer 1

The colour of Cuso4 is blue
When iron is added in it
The solution change into
Cuso4 + Fe =Feso4+ Cu
The colour change into brown.

Answer 2

copper sulphate solution is blue in colour but when it react with iron it turn sea green because. iron sulphate is formed when copper sulphate react with iron . there for iron acquire brown color. this brown colour is deposits on the iron filing is copper.
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