Q. In a dry cell ( battery ) which of the following is used as electrolyte ?

A
Ammonium chloride & Zinc chloride
B
Magnesium chloride & Zinc chloride
C
Sodium chloride & Potassium chloride
D
Sodium chloride & Calcium chloride
Solution:

A standard dry cell comprises a zinc anode, usually in the form of a cylindrical pot, with a carbon cathode in the form of a central rod. The electrolyte is ammonium chloride in the form of a paste next to the zinc anode.

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