Question

what happens when iron nail is put in a copper sulphate solution ?write it's equation
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Answer 1

CuSO4+Fe -------> FeSO4+Cu

here is your answer

Answer 2

When iron nail is put in copper sulphate solution, iron displaces copper from copper sulphate solution.

Fe + CuSO4 ---------- FeSO4 + Cu

hope this helps you....... ^_^..