Multiple choice

Which of the following combinations of salts and their uses is incorrect?

  1. Sodium carbonate - In detergents

  2. Silver nitrate - To develop photographic films

  3. Calcium carbonate - In marbles for flooring

  4. Sodium bicarbonate - To make chalk

  5. Ammonium nitrate - In explosives

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Calcium carbonate is used to make chalk. Sodium bicarbonate is used in bakery and medicines.