Q. 44.5( 8 Votes )
Name the chemicals used in making fire extinguisher.
Answer :
The chemicals used in making fire extinguisher are acid (Sulphuric acid) and Sodium hydrogen carbonate (NaHCO3). This acid reacts with sodium hydrogen carbonate and CO2 gas evolves. And this CO2 gas helps to put off the fire.
H2SO4 + 2NaHCO3 → 2CO2 +2 H2O + Na2SO4
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