Which one of the following pairs of materials serves as electrodes in chargeable

Question

Which one of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch, electric shavers etc?

Options:

A . Nickel and cadmium

B . Zinc and carbon

C . Lead peroxide and lead

D . Iron and cadmium

Answer: Option A
:
A
Option: (a)

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