← Chemistry (4CH1)
Q1 / 5
Crude oil
Higher
2 marks
What is cracking and why is it carried out?
A
Breaks large alkane molecules into smaller alkanes (fuel) and alkenes (for polymers); uses heat + catalyst
B
Combines small alkenes into large molecules
C
Removes sulfur from crude oil fractions
D
Converts crude oil into pure water and carbon
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