WorksheetsL4 Cracking Crude Oil Quiz
Total questions: 15
Worksheet time: 8mins
1.Separates crude oil into similar sized molecules
Fractional Distillation
Cracking
1.Produces kerosene – a jet fuel
Fractional Distillation
Cracking
1.An example of a thermal decomposition reaction
Fractional Distillation
Cracking
1.Occurs in a column which is hottest at the bottom
Fractional Distillation
Cracking
1.Splits long, gloopy hydrocarbons into shorter alkanes and alkenes
Fractional Distillation
Cracking
1.Can be proven to have taken place by the use of bromine water
(orange to colourless in eh presence of an alkene)
Fractional Distillation
Cracking
Long chain hydrocarbons are broken down into shorter more useful alkanes and alkenes by a process called cracking
(a)
What is cracking?
A process that turns long chain hydrocarbons into short chain hydrocarbons
A process that turns short chain hydrocarbons into long chain hydrocarbons
Why do we use cracking to get petrol?
The supply of petrol from cracking is larger than the demand
The supply of petrol from fractional distillation is larger than the demand
The supply of petrol from fractional distillation is smaller than the demand
The supply of petrol from cracking is smaller than the demand
Which is NOT a property of a long chain hydrocarbon?
Viscous
Flammable
Not very volatile
High boiling point
In the following fractions, which contains the longest hydrocarbons?
LPG
Petrol
Kerosene
Heavy fuel oil
What is always produce during cracking?
Alkane + alkane
Alkane + alkene
Alkene + alkene
What type of reaction is cracking?
Addition
Displacement
Thermal decomposition
Neutralisation
Which type of cracking requires very high temperatures?
Steam
Catalytic
What is the test for alkenes?
Adding bromine water, if alkene is present it will turn orange
Adding bromine water, if alkene is present it will turn colourless
Adding bromine water, if alkane is present it will turn orange
Adding bromine water, if alkane is present it will turn colourless
