Multiple choice

In an ordinary dry cell, electrolyte is ______.

  1. sulphuric acid

  2. manganese dioxide

  3. ammonium chloride

  4. zinc
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A standard dry cell (zinc-carbon battery) uses a paste of ammonium chloride as the electrolyte, which allows ion flow between the zinc anode and carbon cathode. Manganese dioxide is the cathode depolarizer, not the electrolyte.

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