O-LevelChemistryChemistry of the Environment5070/12 · May/June 2018 · Q351 Mark

Seawater is desalinated to make it drinkable. What is the main substance removed by desalination?

Adetergent

Bfertiliser

Csewage

Dsodium chloride

✓ Correct answer

D: sodium chloride

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Topic: Chemistry of the Environment, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2018 Paper 1 Variant 2, question 35.

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