Multiple choice

Which of the following metals is used in amalgam?

  1. Carbon

  2. Gold

  3. Mercury

  4. Sodium

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

An alloy of mercury with another metal (usually silver) used by dentists to fill cavities in teeth. Except for iron and platinum, all metals dissolve in mercury and chemists refer to the resulting mercury mixtures as amalgams.

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