Question

what happen when iron nail are placed in copper sulphate solutions?​

Answer 1

Explanation:

When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed on the surface of iron and the colour of copper sulphate solution changes from blue to light green.

Answer 2

hi buddy

here is your answer

• if iron nail is placed in Copper sulphate solutions it will definitely displace the the copper sulphate solution.
• it will changed into iron sulphate solution

iron +copper sulphate ==> iron sulphate +Copper

☆displace reaction

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