Answer:
\[C{{O}_{2}}\]is a non-combustible gas and extinguishes fire in two ways: (i) Since it is heavier than oxygen, it covers the fire like a blanket and cuts off the contact between oxygen and fuel. (ii) In cylinders,\[C{{O}_{2}}\]is kept in the liquid form. When released, it expands enormously and cools down. This brings down the temperature of the fuel, which helps in controlling the fire.
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