Question

iii) What happens when an iron nail is
dipped in copper sulphate solution ?
State the reason why it happens​

Answer 1

Answer:

a reaction will take place

Explanation:

displacement reaction will take place because iron is more reactive than copper

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Answer 2

Answer:

the portion of nail inside solution become red

Explanation:

because layer of copper gets distributed over surface of nail.

the color of solution slowly change from blue to green due to formation of iron(II) sulphate