Exam code: 0653
Which statement about the industrial extraction of metals from their ores is correct?
Aluminium is obtained from bauxite.
Iron is obtained by the electrolysis of iron(III) oxide.
Iron is obtained by the oxidation of iron(III) oxide.
The higher a metal is in the reactivity series the easier it is to extract.
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Aluminium, copper and iron are extracted from their ores. Metals are extracted from their ores by electrolysis or by heating with carbon.
Put one tick (✓) in each row to identify how each metal is extracted from its ore.
Table 5.2
Metal | Heating with carbon | Electrolysis |
Aluminium | ||
Copper | ||
Iron |
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