Carbon dioxide is used for putting out fires due to the following reasons:
i. CO2 is filled under pressure in the fire extinguisher.
ii. When we decrease that pressure, it becomes gaseous and comes out forcefully.
iii. The carbon dioxide produces and gushes out of the cylinder and as a result, it displaces the oxygen (a main cause of fire to burn)
iv. By removing oxygen, we can put out a fire.
v. The reaction taking place:
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