Question

The solutions of ZnSO₄, FeSO₄, CuSO₄, MgSO₃ are taken in four different test tubes. suppose, an iron nail is kept immersed in a each one; In which test tube the iron nail undergoes a colour change

1 point

a) FeSO₄

b) ZnSO₄

c) CuSO₄

d) MgSO₄

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Answer 1

Explanation:

CuSO4

hope it helps

Answer 2

Answer:

c) CuSO4

Explanation:

Since Fe is more reactive than Cu, hence it displaces Cu from its salt solution to give FeSO4