Question

Explain the following process/events.

1. Put two to three iron nails in the blue solution of copper sulphate and after 15 to 20

minutes the colour of the solution turns green.​

Answer 1

Explanation:

when we put iron nails in blue solution of copper sulphate after 15 to 20 minutes the blue colour of the solution fade and solution becomes pale green and iron nail turns

Answer 2

Answer:

when we put iron nails in blue solution of copper sulphate after 15 to 20 minutes the blue colour of the solution fade and solution becomes pale green and iron nail turns brownish.