Aluminium, Iron, Copper and Zinc are extracted from
Bauxite, Magnetite, Malachite and Calamine respectively correct as per chemistry principle.
Ref: NCERT Chemistry Class XII — Coordination Compounds
#aluminium extraction
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Which oxide of a group 13 element is amphoteric and used in the extraction of aluminium?
Among group 13 oxides, Al₂O₃ is amphoteric and is the ore (bauxite) used in aluminium extraction, unlike B₂O₃ (acidic), Ga₂O₃, or In₂O₃.
Ref: NCERT Class 11 Chemistry > Chapter 3: Classification of Elements and Periodicity in Properties > Topic: Modern Periodic Law and Present Form - Long Form Periodic Table
