Which of the following can be used to reduce local action in a Laclanche cell?

Physics

JAMB 1998

A. A carbon rod as the positive pole
B. Pure zinc as the negative pole
C. Potassium permanganate solution in contact with the positive pole
D. common salt solution

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Correct Answer: Option C

Explanation

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Which of the following can be used to reduce local action in a Laclanche cell?

Correct Answer: Option C

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