Among the following cells, which of the following are primary cells?
(I) Leclanche cell (II) Nickle-Cadmium cell (III) Lead Storage battery (IV) Mercury cell
A
I and II
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B
I and III
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C
I and IV
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D
III and IV
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Solution
The correct option is C I and IV A primary cell is a battery that is designed to be used once and discarded, and not recharged with electricity and reused.
Leclanche cell and Mercury cell are primary cells whereas Nickle-Cadmium cell and Lead Storage battery are secondary cells.