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O-LevelChemistryStoichiometry5070/11 · Oct/Nov 2011 · Q91 Mark

Which compound contains three elements?

Aaluminium chloride
Biron(III) oxide
Cpotassium oxide
Dsodium carbonate

✓ Correct answer

D: sodium carbonate

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About this question

Topic
Stoichiometry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, Oct/Nov 2011 Paper 1 Variant 1, question 9.

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