Aluminium, Iron, Copper and Zinc are extracted from
- A.Bauxite, Magnetite, Malachite and Calamine respectively
- B.Magnetite, Bauxite, Malachite and Calamine respectively
- C.Calamine, Malachite, Magnetite and Bauxite respectively
- D.Malachite, Magnetite, Bauxite and Calamine respectively
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Each metal here is paired with one of its best-known ores. Bauxite is hydrated aluminium oxide; alumina is refined from it and then broken down by electrolysis in the Hall-Héroult process.
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