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O-LevelChemistryMetals & Reactivity5070/12 · May/June 2016 · Q271 Mark

Which oxide can be reduced to the metal by roasting with powdered iron?

Acalcium oxide
Bcopper(II) oxide
Cmagnesium oxide
Dzinc oxide

✓ Correct answer

B: copper(II) oxide

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About this question

Topic
Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, May/June 2016 Paper 1 Variant 2, question 27.

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