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Question

In foam type fire extinguisher, _______ is responsible to put off fire.

A
H2O
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B
CO2+H2O
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C
CO2
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D
CO
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Solution

The correct option is A CO2
In a foam type extinguisher, the chemical reaction that takes place produces carbon dioxide gas under pressure. The carbon dioxide gas forces itself out through the internal pipe of the nozzle. This carbon dioxide is responsible for putting off the fire.

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