Which of the following can be used to reduce local action in a Laclanche cell?...
PHYSICS
JAMB 1998
Which of the following can be used to reduce local action in a Laclanche cell?
- 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
Correct Answer: C. Potassium permanganate solution in contact with the positive pole
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