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O-LevelChemistryMetals & Reactivity5070/11 · May/June 2010 · Q251 Mark

In the extraction of iron, carbon monoxide acts as

Acatalyst.
Ban inert gas.
Can oxidising agent.
Dreducing agent.

✓ Correct answer

D: reducing agent.

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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 2010 Paper 1 Variant 1, question 25.

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