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Chemistry
6. Combustion and Flame
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Q30 of 87 Page 106

Why are fires produced by burning oil not extinguished by pouring water?

As water is heavier than petrol therefore slips down permitting the petrol to rise to the surface and continue to burn. Besides, the existing temperature is so high that the water poured on the fire evaporates even before it can extinguisher the fire.


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How will you show that air is necessary of combustion?

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How is the fire caused by electricity extinguished?

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6. Combustion and Flame
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