Cambridge IGCSE Chemistry practice

Paper 3 structured question: Alkenes

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Marks

Topic

Alkenes

Exam-style question

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Paper 3Theory (Core)4 marks

Cracking is a key process in refining crude oil.

Description

Cracking allows for the conversion of long-chain hydrocarbons into shorter, more valuable products.

a
Describe the benefits of cracking in the petroleum industry
Your answer
Aim for approximately 4 distinct marking points.
[4]

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Paper 3Theory (Core)1 marks

Description

Cracking involves breaking down larger alkane molecules into smaller hydrocarbons to meet fuel demands.

a
State one reason for cracking larger alkanes
Your answer
Aim for approximately 1 distinct marking point.
[1]