O-LevelChemistryOrganic Chemistry5070/11 · May/June 2010 · Q391 Mark

Which substances will burn in air and give carbon dioxide amongst the combustion products? 1 calcium carbonate 2 ethane 3 ethanol 4 methanol

A1 and 2 only

B2 and 3 only

C1, 2 and 3 only

D2, 3 and 4 only

✓ Correct answer

D: 2, 3 and 4 only

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2010 Paper 1 Variant 1, question 39.

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