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Asked by Ritishkumar Last Modified
Answer 
Charlie
CO2 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, CO2 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.
read lessThe CO2 Extinguisher Cannisters contain carbon dioxide in liquid form, and when the extinguisher is let off the liquid is released into the air neutralising the oxygen that the fire is feeding on, disabling the fires ability to spread. This is an effective way to put out fires and also prevent light from reoccurring because of the lack of oxygen and the ice-cold temperature of the CO2 when released from the extinguisher
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