O-LevelChemistryMetals & Reactivity5070/11 · May/June 2015 · Q241 Mark

Aluminium reacts with chromium(III) oxide as shown. aluminium + chromium(III) oxide → chromium + aluminium oxide Which statements are correct? 1 Aluminium is more reactive than chromium. 2 A similar reaction would also take place between aluminium and iron(III) oxide. 3 Iron(III) oxide is reduced by another metal in the blast furnace.

A1, 2 and 3

B1 and 2 only

C1 and 3 only

D2 and 3 only

✓ Correct answer

B: 1 and 2 only

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Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2015 Paper 1 Variant 1, question 24.

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