Question Constellation Sign up for free

AQA · GCSE · Combined Science · Higher

Separating crude oil into fractions

Q07.1 4 marks

Hydrocarbon fuels are produced from crude oil.

Describe how crude oil is separated into fractions.

Butane is a hydrocarbon.

Write your answer first. You can study the marking guidance whenever you need it.

Answer this question
Study the marking See what earns credit and compare it with a full-mark answer.

What a strong answer needs

  1. 1 Heat crude oil
  2. 2 Vaporise
  3. 3 Temperature gradient
  4. 4 Condense
Answer this question Try a related question