How water helps in extinguishing fire?

Water cools the combustible material so that its temperature is brought below the ignition temperature.

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Water heats the combustible material so that its temperature is brought below the ignition temperature.

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Water cools the combustible material so that its temperature is brought above the ignition temperature.

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None of these

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Solution

The correct option is C Water cools the combustible material so that its temperature is brought below the ignition temperature.
Water cools the combustible material so that its temperature is brought below the ignition temperature. This prevents the fire from spreading. Water vapour also surrounded the combustible material helping in cutting off the supply of air. So, the fire is extinguished.

Hence, correct option is $A$ .

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If ignition temperature of a substance is lower than room temperature then it will undergo spontaneous combustion.

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