Multiple choice

Which of the following solutions filled in fire extinguishers reacts with sulphuric acid to form carbon dioxide?

  1. Sodium carbonate

  2. Sodium bicarbonate

  3. Calcium chloride

  4. Calcium carbonate

  5. Carbon monoxide

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

The solution of sodium bicarbonate is filled in fire extinguishers and it reacts with sulphuric acid to form carbon dioxide.