Multiple choice general knowledge science & technology

PEARLS melt in ______

  1. Mercury

  2. Petrol

  3. Vinegar

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

Pearls are primarily composed of calcium carbonate (aragonite). Vinegar contains acetic acid, which reacts with and dissolves calcium carbonate. This is why pearls should not be exposed to vinegar or other acidic substances.

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