Multiple choice

The ammonium salt used to revive the fainted person is

  1. ammonium hydrogen fluoride

  2. ammonium bisulphate

  3. ammonium bromide

  4. ammonium carbonate
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ammonium carbonate (NH4)2CO3 is a commercial salt & used when crushed as a smelling salt. It can be crushed when needed in order to revive someone who has fainted. It is also known as baker's ammonia and was a predecessor to the more modern leavening agents like baking soda and baking powder.

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