Chemistry · Chemical Reactions and Compounds
Why is sodium bicarbonate used as a dry chemical fire extinguishing agent?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1On receiving heat from the fire, it decomposes to release carbon dioxide gas.✓
- 2On receiving heat from the fire, it liquefies into water to cool the surface.
- 3It reacts with nitrogen in the air to form a non-combustible protective layer.
- 4It absorbs oxygen directly from the flame without chemical decomposition.
Correct answer
On receiving heat from the fire, it decomposes to release carbon dioxide gas.
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