JAMB - Physics (2001 - No. 22)

In a Daniel cell, the depolarizer, positive and negative electrodes are respectively

copper sulphate, copper and zinc

manganese dioxide, carbon and zinc

sulphuric acid, lead oxide and lead

potassium hydroxide, nickel and iron.

In the Daniel cell,
i. Depolarize = CuSO₄ solution
ii. Positive electrode = Copper container
iii Negative electrode = zinc rod/plate