Heap of dry leaves kept in Anil's garden accidentally caught fire. Which of the following can he use to extinguish it?

Water

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Oxygen

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Petrol

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Cotton

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Solution

The correct option is A Water
$∙$ Water is the most common fire extinguisher. It is used when combustible solids catch fire.
$∙$ Water prevents the spreading of fire by lowering down the temperature of a substance. The heat of the fire turns the water into vapours. These vapours cut off the oxygen supply.
$∙$ Thus, water extinguishes fire by lowering the temperature and removing the oxygen supply.

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