Which component of air is commonly used in fire extinguishers?

Oxygen

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Carbon dioxide

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Nitrogen

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Argon

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Solution

The correct option is B
Carbon dioxide

Fire extinguishers extinguish the fire by taking away the oxygen element of the fire. A fire extinguisher is filled with carbon dioxide. When carbon dioxide is put on the fire, the fire won't get the oxygen it needs to burn, so it goes out.

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