Question

Why does iron nail become brownish in colour and blue colour of copper sulphate solution fade

Answer 1

Answer:because of formation of FeSO4

Explanation:

Answer 2

The iron nail become brownish in colour and the blue colour of copper sulphate solution fade because when an iron nail dipped in the copper sulphate solution then iron displaces copper from the copper sulphate because iron is more reactive than copper therefore the colour of copper sulphate solution changes.

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