Liquid petrol does not ignite spontaneously when exposed to the air because there is not enough molecules that contains energy to reach the activation energy. As a result, the reaction cannot proceed and a supply of energy should be added for the reaction to occur.
Is that the question orr......?
Salutations!
The name given to change of state from gas to liquid is -----
The name given to change of state from gas to liquid is condensation. The opposite process is when the vapor is carried in the cloud is called evaporation.
Thus, your answer is option A.
Hope I helped (:
Have a great day!