Describe and explain how petrol is separated from the mixture of hydrocarbons in crude oil?

It's an exciting and interesting process but those 5 points aren't worth a decent answer. The whole process is called fractioned distillation where different temperatures are reached, transforming the crude oil in gas. After being hit by a cold source it colds becoming different hydrocarbons depending on the temperatures.

C) electrons encircling a nucleus with neutrons and protons