Chemistry
Aspirin is

Methoxy benzoic acid
Phenyl Salicilate
Acetyl Salicilic acid
Methyl Salicilate

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Chemistry
Why is water not suitable for putting out a petrol fire ?

The oxygen content of water is isolated by petrol and thus it helps in burning
The heat required for combustion of petrol is very low
Petrol is too inflammable to be extinguished by water
Water, being heavy, slips below petrol which thus remains in contact with air and burns

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