What causes the cathode to be "eaten away" in the primary cell while the cell is discharging?

What causes the cathode to be “eaten away” in the primary cell while the cell is discharging?

A. The material of the cathode combines with the negative ions to form a new substance.
B. The material of the cathode dissolves in the electrolyte.
C. The material of the cathode leaves the negative terminal of the cell and goes through the load to the anode.
D. Bacteria in the electrolyte erodes the material in the cathode.

Show Answer

Answer: A

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