Explain the following.
Use of CO2 in fire extinguisher
CO2 is used in fire extinguisher:
1. CO2 is filled under pressure in the fire extinguisher.
2. When we decrease that pressure, it becomes gaseous and comes out forcefully.
3. The carbon dioxide displaces the oxygen (a main cause of fire to burn)
4. By removing oxygen, we can put out a fire.
5. The reaction taking place:
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