Question

Which of the following compounds is used in soda-acid fire extinguishers? 1. sodium hydrogen carbonate 2.calcium hydroxide 3.calcium carbonate 4. sodium hydrogen sulphate

Answer 1

Answer:

Sodium hydrogen carbonate or sodium bicarbonate is used as a fire extinguisher. When heated to a high temperature, the chemical properties of this salt .....

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Answer 2

Sodium Hydrogen carbonate or Sodium Bicarbonate is used in making Soda-acid fire extinguishers. (Option 1 is correct)

• It is the best fire douser for home use.  
• It can be made manually or even on large scale in factories.
• The fire quencher contains sodium bicarbonate in water along with sulfuric acid in a different container.
• By turning the handle on it, the sulphuric acid reacts with the sodium bicarbonate and creates a little measure of carbon dioxide gas.
• It is heavier than air and thus removes the oxygen supply to the air, extinguishing the blazes.
• The reaction: 2NaHCO₃ + H₂SO₄ → Na₂SO₄ + 2H₂O + 2CO₂

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