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Dry Cell

In a dry cell...

Question

In a dry cell, the graphite rod is surrounded by a mixture of carbon and ____________.

ammonium chloride

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aluminium sulphate

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ammonium sulphate

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calcium oxide

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Solution

The correct option is A ammonium chloride
In a dry cell, a graphite rod with a metal cap acts as the positive terminal which is surrounded by a mixture of powdered carbon and ammonium chloride. The cell is enclosed in a can made of zinc metal that acts as the negative terminal and sealed from the top.

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