Which of the following is the chief ore of aluminium that is concentrated through the leaching process?

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All of the above

Bauxite

Haematite

Cassiterite

answer is B.

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Detailed Solution

Bauxite is the chief ore of aluminium and is concentrated through the leaching process.
Haematite

({Fe}_{2} O_{3})

is the chief iron ore. Cassiterite

({SnO}_{2})

is the chief tin ore. Bauxite is the chief ore of aluminium. A chemical method of concentrating aluminium ore is called leaching. In this instance, the ore dissolves in a chemical solution, and the minerals react before dissolving and only the impurities are left behind, which filter out. Finally, the chemical solution will be used to extract the metal. Hence, the option is bauxite.

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