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O-LevelChemistryChemistry of the Environment5070/11 · May/June 2025 · Q301 Mark

Which row states an adverse effect for the named pollutant?

Acarbon dioxide | increases plant growth
Bmethane | causes cancer
Coxides of nitrogen | photochemical smog
Dparticulates | acid rain

✓ Correct answer

C: oxides of nitrogen | photochemical smog

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About this question

Topic
Chemistry of the Environment, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, May/June 2025 Paper 1 Variant 1, question 30.

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