Question

Answer in short
Why the colour of blue copper sulphate solution becomes light green when iron powder is added to it?​

Answer 1

Answer:

Beacuse iron powder is not an acid its a base and that's the reason why iron get nlsck if it kept in moisture or air.

Explanation:

hope it helps you

Answer 2

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.