Multiple choice

Which of the following compounds is used to produce low temperatures in cooling baths?

  1. Ammonium chloride

  2. Ammonium cyanide

  3. Ammonium fluoride

  4. Ammonium iodide

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A Correct answer
Explanation

Ammonium chloride is an inorganic compound with the formula NH4Cl. It is a white crystalline salt that is highly soluble in water. Solutions of ammonium chloride are mildly acidic. It is used to produce low temperatures in cooling baths.