Crude oil provides fractions that are used as fuels and as feedstock for the petrochemical industry.
Explain the difference in how fuels and feedstocks are used. Give specific examples of products made from each group.
[6 marks]
-
Fuels are burnt to release energy.
(1 mark)
-
Petrol for cars
Diesel for trucks
Kerosene for planes
(2 marks) for any two
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Raw material used as reactant to produce new chemical products.
(1 mark)
-
When attracting the electron, fluorine has:
less shielding from shells and stronger attraction between positive nucleus and the negative electron it’s gaining (1 mark)
so it gains it more easily (1 mark)
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