O-LevelChemistryMetals & Reactivity5070/11 · Oct/Nov 2013 · Q331 Mark

Iron is extracted from iron ore in a blast furnace. Which solid substances are fed into the top of the blast furnace? 1 coke 2 cryolite 3 limestone

A1, 2 and 3

B1 and 2 only

C1 and 3 only

D2 and 3 only

✓ Correct answer

C: 1 and 3 only

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Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2013 Paper 1 Variant 1, question 33.

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