Question

A student puts one big iron nail each in
four test tubes containing solution of Zinc
sulphate, Aluminium sulphate, Copper
sulphate and Iron sulphate. A reddish
brown coating was observed only on the
surface of iron nail which was put in the
solution of​

Answer 1

Answer:

copper sulphate

Equation:-

Copper sulphate solution (blue)+Ironiron sulphate solution (green)+Copper(brown deposit)

Explanation:

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