Question

The metal extracted from bauxite is _______.

• A. Copper
• B. Aluminium
• C. Zinc
• D. Gold

Answer 1

The correct option is B

Aluminium

Explanation for correct option:

(B) Aluminium.

• The metal extracted from the ore bauxite is Aluminium.
• The chemical formula of bauxite is ${\mathrm{Al}}_2{\mathrm{O}}_3.2{\mathrm{H}}_2\mathrm{O}$.
• Bauxite is in the form of sedimentary rock.
• Bauxite is the group of hydrated aluminium oxide.
• Aluminium is a silvery-white metal.
• Used for cooking utensils, pans and aeroplane parts.

Explanation for incorrect option:

(A) Copper.

The ore of copper is chalcopyrite, not bauxite. So, it is an incorrect option.

(C) Zinc

The zinc is extracted from the ore of calamine i.e. zinc carbonate, not from bauxite. So, it is an incorrect option.

(D) Gold

Gold is extracted from native gold, not from bauxite. So, it is an incorrect option.

Therefore, the correct option is (B) Aluminium.