Multiple choice general knowledge science & technology

The most important ore of aluminium is

  1. galena

  2. calamine

  3. calcite

  4. bauxite
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Bauxite is the principal ore of aluminium, containing hydrated aluminium oxides. Galena is lead ore, calamine is zinc ore, and calcite is calcium carbonate. Bauxite must be processed through the Bayer process to extract aluminium metal.

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