Multiple choice general knowledge

What is the principal ore of aluminium?

  1. Dolomite

  2. Copper

  3. Lignite

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

Bauxite is the principal ore of aluminium. It is the primary commercial source of aluminium, containing aluminium hydroxides and oxide minerals. Dolomite is a carbonate mineral (source of magnesium), Copper is itself an element, and Lignite is a low-grade coal - none of these are aluminium ores.

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