Question

Explain the function of soda-acid fire extinguisher.

Answer 1

A soda-acid extinguisher was patented in the U.S. in 1881 by Almon M. Granger. His extinguisher used the reaction between sodium bicarbonate solution and sulfuric acid to expel pressurized water onto a fire. ... The pressurized water was forced from the canister through a nozzle or short length of hose.

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Answer 2

It is used to extinguish fire

H2so4 +nahco3 -------- na2so4 + co2 + h2o

H2o is liberated in soda acid fire extinguishers

It acts as a blanket and stops the supply of oxygen

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