O-LevelChemistryOrganic Chemistry5070/11 · May/June 2014 · Q391 Mark

Fats, carbohydrates and proteins all contain which chemical elements?

Acarbon, hydrogen and oxygen

Bcarbon, hydrogen and nitrogen

Ccarbon, hydrogen and sulfur

Dcarbon, nitrogen and oxygen

✓ Correct answer

A: carbon, hydrogen and oxygen

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2014 Paper 1 Variant 1, question 39.

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