Is it true that the soda acid fire extinguisher contains sodium bicarbonate and sulphuric acid?

Answer: A

Solution :

The above-given statement is true.

The soda acid fire extinguisher contains sodium bicarbonate and sulphuric acid.

A soda acid fire extinguisher consists of sulphuric acid and baking soda( sodium bicarbonate). On pressing the knob, of the fire extinguisher, the sulphuric acid reacts with the soda which forms sodium sulfate and water liberating CO₂ . This helps in cutting off the oxygen supply and thus extinguishes the fire.