O-LevelChemistryChemistry of the Environment5070/11 · May/June 2019 · Q321 Mark

River water contains many impurities. Which process alone can produce pure water from river water?

Aadding chlorine

Bdistillation

Cfiltering

Dpassing through carbon

✓ Correct answer

B: distillation

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Topic: Chemistry of the Environment, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2019 Paper 1 Variant 1, question 32.

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