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O-LevelChemistryChemistry of the Environment5070/12 · Oct/Nov 2016 · Q341 Mark

The table shows some atmospheric pollutants and their possible effects. Which row is not correct?

Diagram for this question, from the exam paper

ACFCs, cause depletion of the ozone layer

BCO2, forms photochemical smog

CCO, is poisonous to humans

DNO2, forms acid rain

✓ Correct answer

B: CO2, forms 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, Oct/Nov 2016 Paper 1 Variant 2, question 34.

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