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WorksheetsC5 Fractional distillation and combustion
Total questions: 10
Worksheet time: 5mins
How many types of combustion are there?
1
2
3
What is another name for combustion?
Burning
Reduction
Displacement
Which is essential for combustion?
Water
Carbon dioxide
Oxygen
What is a hydrocarbon?
A compound that contains carbon and hydrogen
A compound that contains carbon and hydrogen only
A compound that has been obtained from crude oil
What is produced when a hydrocarbon fuel burns in a very good supply of oxygen?
Carbon monoxide and water
Carbon and water
Carbon dioxide and water
Which type of combustion releases the most energy?
Complete
Incomplete
Thermal decomposition
Crude oil is separated into simpler mixtures of hydrocarbons using what?
Simple distillation
Fractional distillation
Filtration
Fractional distillation works because the hydrocarbons have different what?
Boiling points
Physical properties
Melting points
In fractional distillation, the vapours condense when they reach the part of the column that is below their what?
Meting point
Boiling point
Chemical properties
Physical properties
Hydrocarbons in the gases fraction are easy to what so that they are used as fuels?
Burn
Ignite
Light
Waterproof
