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WorksheetsHollingworth Academy - GCSE Chem C7 hydrocarbons & crude oil
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
What term is given to a compound which contains atoms of carbon and hydrogen only?
a)
alkene
b)
hydrocarbon
c)
alkane
d)
saturated
2.
Alkanes have the general formula:
a)
CnH2n
b)
CnH2n+1
c)
CnH2n+2
d)
CnHn
3.
What term describes alkane molecules that contain C-C single bonds?
a)
saturated
b)
unsaturated
4.
Name the following hydrocarbon
a)
alkane
b)
pentene
c)
pentane
d)
alkene
5.
Petroleum and natural gas form from...
a)
strong winds
b)
cooled magma
c)
radioactive materials
d)
remains of plants and animals
6.
Fossil Fuels formed over long periods of time after particles in water settled to the sea floor and formed marine mud. What kinds of particles needed to be present in the marine mud in order for fossil fuels to form.
a)
Mostly sand and a few small bits of wood
b)
Mostly decaying organisms
c)
Mostly lava and a few sedimentary rocks
d)
Mostly metal minerals
7.
Which of these is not a fossil fuel?
a)
Coal
b)
Oil
c)
Olive Oil
d)
Natural Gas
8.
Which of the following compounds is an example of hydrocarbon?
a)
CO2
b)
C2H6
c)
C2H5OH
d)
CH3COOH
9.
Shorter hydrocarbons have:
a)
Higher boiling points
b)
Lower boiling points
10.
A hydrocarbon is:
a)
A compound made up of oxygen and hydrogen only.
b)
A compound made up of carbon and hydrogen only
c)
A compound made up of hydrogen and nitrogen only.
d)
A compound made up of carbon and oxygen only.
11.
What is the formula of ethene?
a)
C2H6
b)
CH6
c)
C2H4
d)
CH4
12.
What is the formula of propane?
a)
C5H10
b)
C5H12
c)
C3H6
d)
C3H8
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