Why do soda acid fire extinguisher contains sodium hydrogen carbonate.

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Solution

Soda acid fire extinguisher consists of sodium hydrogen carbonate (sodium bicarbonate) and an acid. Initially tartaric acid was used. Later on sulfuric acid was used. The reaction of sodium bicarbonate and acid produces a fountain of carbon dioxide with great pressure which extinguishes the fire.

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Soda acid fire extinguishers contains :a) sodium carbonate

B) sodium hydrogen carbonate ,sulphuric acid

C) sodium carbonate, hydrochloric acid

D )sodium hydrogen carbonate, hydrochloric acid

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