Which one of the following pairs of materials serves as electrodes in – McqOptions

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1.	Which one of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torchlights,electric shavers etc. ?
A.	Nickel and cadmium
B.	Zinc and carbon
C.	Lead peroxide and lead
D.	Iron and cadmium
Answer» B. Zinc and carbon

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