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O-LevelChemistryAcids, Bases & Salts5070/11 · Oct/Nov 2020 · Q51 Mark

Compound X is a crystalline solid at room temperature and pressure. An aqueous solution of X is tested as shown. What could be the identity of X?

Diagram for this question, from the exam paper
Aammonium carbonate
Bsodium sulfate
Ccalcium nitrate
Dzinc chloride

✓ Correct answer

D: zinc chloride

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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 2020 Paper 1 Variant 1, question 5.

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