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How does carbon dioxide produced in a soda-acid fire extinguisher help put out fire?

Answer and explanation

Correct answer: It covers the fire and reduces oxygen supply

The governing concept is the fire triangle: combustion needs fuel, heat, and oxygen. Carbon dioxide is denser than air and does not support combustion, so it spreads over the burning material and displaces or limits the oxygen reaching the flame. Removing oxygen interrupts combustion, making option A correct. It does not strengthen fire, convert fuel into acid, or burn water.

Related tags

Fire ExtinguisherCarbon DioxideCombustionAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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