O-LevelChemistryChemistry of the Environment5070/12 · May/June 2020 · Q321 Mark

Sea water has to be purified in order to obtain drinking water from it. Which processes are used to purify the sea water?

Afractional distillation: ✓, desalination: ✓

Bfractional distillation: ✓, desalination: X

Cfractional distillation: X, desalination: ✓

Dfractional distillation: X, desalination: X

✓ Correct answer

C: fractional distillation: X, desalination: ✓

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Topic: Chemistry of the Environment, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2020 Paper 1 Variant 2, question 32.

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