Question

give two condition when water cannot be used to extinguish fire​

Answer 1

Answer:

when the fire is caused by electricity or fuel

Explanation:

Answer 2

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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. The latter is true if small quantity water is poured.