WorksheetsAQA C7.1 Crude Oil
Total questions: 24
Worksheet time: 14mins
Which is not a hydrocarbon
A
B
C
Where do long chain hydrocarbons collect?
At the top
In the middle
At the bottom
Where do short chain hydrocarbons collect?
At the top
In the middle
At the bottom
What does viscosity tell you about a hydrocarbon?
How easy it is to ignite
How runny it is
What is boiling point is
The shorter the hydrocarbon, the more viscous it is
True
False
Choose ALL the products of complete combustion
Carbon monoxide
Carbon dioxide
Water
Oxygen
Name this substance
Butane
Ethane
Propane
Methane
Name the substance
Ethane
Ethene
Propane
Propene
Name the substance
Butene
Ethene
Propene
Pentene
What is the general formula for an Alkane
CnH2n
CnHn+2
CnH2n+2
CnHn
What is the general formula for an Alkene
CnH2n
CnHn+2
CnH2n+2
CnHn
What chemical is used to test for an alkene?
Litmus
Bromine water
Lime water
Universal indicator
Which is the saturated hydrocarbon?
A
B
The shorter the hydrocarbon, the greater it's flammability
True
False
What is crude oil mainly made from?
plankton
rocks
trees
Which is not a fraction of crude oil?
petrol
diesel oil
sodium hydoxide
kerosesne
heavy fuel oil
What process happens as the crude oil enters the fractionating column?
Evaporation
Condensation
Combustion
What process happens at each level in the fractionating column?
Evaporation
Condensation
Combustion
Which are more useful as fuels?
Long chain hydrocarbons
Short chain hydrocarbons?
Which row shows the correct multipliers to balance this equation?
CH4 + ____ O2 --> ___ CO2 + ____ H2O
1 1 1
1 2 1
2 1 2
1 2 2
Choose all the products of cracking
a longer chain alkane
a shorter chain alkane
An Alkene
An isotope
An ion
What process does this represent?
Polymerisation
Combustion
Fractional distillation
Catalytic cracking
What is the formula of the third product?
C4H8
C5H8
C4H10
C5H10
Name the Alkane produced in this cracking reaction
Hexane
Ethane
Ethene
Butane
Butene
