The process of depositing a layer of any desired metal on another material object by means of electricity is called _______________.

The passage of an electric current through a solution causes _________ effects.

Most liquids that conduct electricity are solutions of________, ________ and ________.

When the free ends of a tester are dipped into a solution, the magnetic needle shows deflection. Can you explain the reason?

If you pass current through copper sulphate solution, copper gets deposited on the plate connected to the _________ terminal of the battery.