Question

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

Answer 1

When iron nail is dipped in copper sulfate solution, the blue color of copper sulfate turns milky. This is due to the fact that iron is more reactive than copper and displaces Copper from its compound

Answer 2

Answer:

When an iron nail dipped in the copper sulphate solution than iron displaces copper from the copper sulphate because iron is more reactive than copper. Therefore the colour of the copper sulphate solution changes....