Question

1. Why does the colour of copper sulphate solution change when an iron nail is dipped in it?​

Answer 1

Answer:

ok

Explanation:

because it occurs chemical changes

Answer 2

Question:-

Why does the colour of copper sulphate solution change when an iron nail is dipped in it?

Answer:-

When an iron nail immersed in the solution of copper sulphate than iron displaces copper from the solution of copper sulphate because iron is more reactive than copper.

• Therefore copper sulphate solution colour changes from blue to pale green.