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OpenStudy (maaz):
Liquid petrol does not ignite spontaneously when exposed to the air because (A)The ΔH for the combustion of petrol is positive (B) Reaction between petrol and oxygen requires a catalyst (C) The reactants are in different physical states (D) Not enough molecules possess sufficient energy to react
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OpenStudy (anonymous):
D
OpenStudy (anonymous):
d
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