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O-LevelChemistryAcids, Bases & Salts5070/11 · Oct/Nov 2019 · Q191 Mark

Sodium chloride is dissolved in distilled water. Universal indicator is added to the solution. What is the colour of the universal indicator?

Ablue (weak alkali)

Bgreen (neutral)

Cpurple (strong alkali)

Dred (acidic)

✓ Correct answer

B: green (neutral)

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About this question

Topic: Acids, Bases & Salts, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2019 Paper 1 Variant 1, question 19.

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