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JEE Main · 2022 · 24 Jun 2022 · Shift 2 · s-Block Elements

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Which one of the following compounds is used as a chemical in certain type of fire extinguishers?
  1. (A)Baking Soda✓ Correct
  2. (B)Soda ash
  3. (C)Washing Soda
  4. (D)Caustic Soda

Answer: (A)

Solution

Baking soda (sodium hydrogen carbonate, ) is used in fire extinguishers. When heated, it decomposes to release carbon dioxide gas:



The gas helps to smother the fire by cutting off the oxygen supply.

JEE Main · 2022 · 24 Jun 2022 · Shift 2 · Single correct option

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