Question

Identify the uses of sodium hydrogen carbonate.

• A. To cure acidity problem
• B. To prepare aerated water
• C. To remove coluring matter from sugar
• D. To prepare cleaning agent

Answer 1

Answer: (A), (B), (D)

The correct options are
A To cure acidity problem
B To prepare aerated water
D To prepare cleaning agent

Sodium hydrogen carbonate $NaHC{O}_3$ (also known as sodium bicarbonate and baking soda). It helps in neutralizing excess of acid formed in the stomach. It is used in the preparation of aerated water and cleaning agents.
The colouring matter from the sugar is removed by sulphur dioxide.