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Which of the following minerals is contained in bauxite, a clay like substance?
Question

Which of the following minerals is contained in bauxite, a clay like substance?

A.

Coal

B.

Aluminium

C.

Iron

D.

Thorium

Correct option is B

​The correct answer is (b)  Aluminium

Explanation:

  • Bauxite is a clay-like, sedimentary rock that is the primary ore of aluminium.
  • It is composed mainly of aluminium oxide minerals such as gibbsite, boehmite, and diaspore, along with impurities like silica, iron oxides, and titanium dioxide.

Information Booster:

  • Bauxite is found in tropical and subtropical regions.
  • India's major bauxite-producing states are: Odisha, Gujarat, Maharashtra, Jharkhand, and Chhattisgarh.
  • Aluminium extraction: The Bayer process is used to extract alumina (Al₂O₃) from bauxite, which is then processed into aluminium metal through the Hall-Héroult process.

Additional Knowledge:

  • Coal: A fossil fuel primarily composed of carbon.
  • Iron: Extracted from hematite and magnetite.
  • Thorium: A radioactive metal found in monazite sand.

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