Multiple choice

Deicing agents penetrate downward through the ice and snow layer until they reach pavement. Which among the following ammonium salts is used as a biodegradable de-icing agent?

  1. Ammonium acetate

  2. Ammonium aluminium sulphate

  3. Ammonium arsenate

  4. Ammonium bicarbonate

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A Correct answer
Explanation

Ammonium acetate is a chemical compound with the formula CH3COONH4 (or C2H4O2.NH3 or C2H7NO2). It is a white solid, which can be derived from the reaction of ammonia and acetic acid. It is used as a biodegradable de-icing agent.