Question

Explain the use of $C{O}_2$ in a fire extinguisher.

Answer 1

• Carbon dioxide is obtained by chemical reaction or kept under pressure is used in fire extinguishers.
• They are not that corrosive and are non-conductors of electricity. Hence, they are used when electronic and electric equipments catches fire.
• The liquid and solid carbon dioxide is filled under pressure in modern extinguishers. If the pressure is reduced, it becomes gaseous and bursts out through the horn-like hose pipe.

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