Question

The change in colour of the deeped portion of the iron nail in copper sulphate solution is because of deposition of _________

Answer 1

Explanation:

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.

Answer 2

Answer:

copper is the answer...