Question

# pls answer it wth clear explanation ​

Answer 1

Answer:

A) deposition of copper on iron

Explanation:

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

Also, as copper is faded from the solution and deposes on the nail turning it to brown

Answer 2

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.