Q.

When oil or petrol catches fire, water is not used to extinguish it because

A. Water covers oil and oil burns under water layer which may not be noticeable
B. Water is heavier than oil / petrol and so remains below the oil layer which continues to burn
C. Water get mixed with oil and increases fire
D. Water gets evaporated
Answer» B. Water is heavier than oil / petrol and so remains below the oil layer which continues to burn
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Combustion and Flame

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