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Question

Carbon dioxide extinguisher helps extinguish fire by:

A
cutting the supply of oxygen.
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B
reducing the heat of surroundings.
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C
limiting the supply of fuel.
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D
cutting the supply of nitrogen.
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Solution

The correct option is A cutting the supply of oxygen.

Carbon dioxide extingushes the fire by reducing the amount of oxygen available for the fire.
Itis heavier than air. So, carbon dioxide replaces the air from the surface of fire. Hence, cutting the supply of oxygen.


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