Fractional distillation

Question 1

Fractional Distillation

Answer 1

Fractional distillation is the process of separating crude oil into groups of hydrocarbons with similar numbers of carbon atoms. We call these groups of hydrocarbons “fractions”.

Question 2

Long-chain hydrocarbons

Answer 2

Hydrocarbons with lots of carbon atoms are called ‘long-chain hydrocarbons’.

Question 3

Short-chain hydrocarbons

Answer 3

Hydrocarbons with few carbon atoms are called ‘short-chain hydrocarbons’.