O-LevelChemistryAtomic Structure5070/11 · Oct/Nov 2023 · Q31 Mark

Substances can be elements, compounds or mixtures. Which row is correct? element, compound, mixture

Acopper, brass, zinc

Bmethane, carbon, petroleum

Cnitrogen, carbon dioxide, water vapour

Doxygen, glucose, air

✓ Correct answer

D: oxygen, glucose, air

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Topic: Atomic Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2023 Paper 1 Variant 1, question 3.

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