Cambridge IGCSE Combined Science practice

Paper 3 structured question: Fuels

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Paper

Marks

Topic

Fuels

Exam-style question

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Paper 3Theory (Core)1 marks

Hydrocarbons can be classified into different types based on their structure.

Description

Hydrocarbons can be classified as saturated or unsaturated based on the types of bonds between carbon atoms.

a
Define saturated hydrocarbons and provide an example.
Your answer
Aim for approximately 1 distinct marking point.
[1]

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Paper 3Theory (Core)2 marks

Description

Hydrocarbons are essential in the production of fuels, plastics, and chemicals. They can be found in natural gas, oil, and coal.

a
Explain the significance of hydrocarbons in energy production.
Your answer
Aim for approximately 2 distinct marking points.
[2]