Which of the following pairs of material serves as electrodes in chargeable batteries commonly used in device such as torch?

Which of the following pairs of material serves as electrodes in charg

1.	Which of the following pairs of material serves as electrodes in chargeable batteries commonly used in device such as torch?
A.	Iron and cadmium
B.	Nickel and cadmium
C.	Lead peroxide and lead
D.	Zinc and carbon
Answer» C. Lead peroxide and lead

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Which of the following pairs of material serves as electrodes in chargeable batteries commonly used in device such as torch?

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