Crude oil is made up of:

• Ethane

• Butane

• A mixture of different hydrocarbons

• Extremely large hydrocarbons which are broken up once extracted

A fraction of crude oil is made up of:

• Hydrocarbons of similar chain lengths

• Numbers

• Large hydrocarbons

• Alkenes only

Different fractions in crude oil are separated by:

• Cracking

• Fractional Distillation

• Filtration

• Crystalisation

Shorter hydrocarbons have:

• Higher boiling points

• Lower boiling points

Gases/LPG are used for:

• Fuel in cars

• Fuel for large ships

• Roof and road surfacing

• Domestic heating and cooking

Petrol is used for:

• Fuel in cars

• Fuel in aircraft

• Domestic heating and cooking

• Road surfacing

Kerosene (paraffin) is used for:

• Fuel for cars

• Domestic heating and cooking

• Fuel in aircraft

• Fuel for large ships and in power stations

Diesel oil is used for:

• Fuel in cars

• Fuel in aircraft

• Road and roof surfacing

• Fuel in some cars and larger vehicles

Fuel oil is used for:

• Fuel in some cars and larger vehicles

• Fuel for large ships and in some power stations

• Roof and road surfacing

• Fuel for cars

Bitumen is used for:

• Fuel for large ships and in some power stations

• Roof and road surfacing

• Fuel in aircraft

• Fuel in cars