O-LevelChemistryChemistry of the Environment5070/11 · May/June 2017 · Q331 Mark

Fossil fuels are used to power some internal combustion engines. Which pollutants are produced by an internal combustion engine burning fossil fuels? 1 carbon monoxide 2 nitrogen oxides 3 sulfur dioxide

A1, 2 and 3

B1 and 2 only

C1 and 3 only

D2 and 3 only

✓ Correct answer

A: 1, 2 and 3

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Topic: Chemistry of the Environment, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2017 Paper 1 Variant 1, question 33.

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