O-LevelChemistryMetals & Reactivity5070/12 · Oct/Nov 2021 · Q321 Mark
Which statements about extracting metals from their ores are correct? 1 Aluminium is extracted by the electrolysis of aluminium oxide dissolved in cryolite. 2 Silver is difficult to extract from its ores because of its low reactivity. 3 Iron is extracted from haematite by reduction in the blast furnace.
A1 and 2 only
B1 and 3 only
C2 and 3 only
D1, 2 and 3
✓ Correct answer
B: 1 and 3 only
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