Distillation of crude oil (C1)

A fossil fuel is a fuel made underground over millions of years. They are non - renewable

Fractional distillation:

The crude oil is heated before it enters the column. Some fractions have a very high boiling point and are still liquid which drops out the bottom. They are thick molecules called residue. As you go up the cloumn the temperature is cooler. The oil vapour changes back to liquid when it reaches its boiling point and goes out the…