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O-LevelChemistryMetals & Reactivity5070/11 · May/June 2017 · Q291 Mark

Some metals and the compounds in their ores are shown. metal Al Ca Pb Na Fe Mg compound in their ore Al2O3 CaCO3 PbS NaCl Fe2O3 MgCO3 Which type of reaction occurs in the extraction of each of these metals from their ore?

Adecomposition by heat
Belectrolysis
Cprecipitation
Dreduction

✓ Correct answer

D: reduction

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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 2017 Paper 1 Variant 1, question 29.

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