First of all there is a fractional distillation column, cold up top hot on bottom, with levels where the vapors can go up but not down. It is heated on the bottom. So when a substance in the vapor...
crude oil is a mixture of many different hydrocarbon molecules. Petrol, as we call it in the UK, is more acurately known as gasoline, and is one of these hydrocarbons. The different hydrocarbon...
It is obtained by fractional distillation, it is a tall enclosed chamber with vents at specific heights from where vapor is extracted to another chamber to liquify it.
Its based on the property of...