What is the process of manufacturing aluminium from bauxite?

Extraction, purification, electrolysis, casting

Crushing, grinding, smelting, refining

Fermentation, distillation, filtration, crystallization

Polymerization, condensation, polymer melting, moulding

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Answer and Solution

Answer

A. Extraction, purification, electrolysis, casting

Solution:

The process of manufacturing aluminium from bauxite involves extraction of alumina, purification of alumina, electrolysis to obtain aluminium, and casting of the metal into desired shapes. This process is essential for aluminium production. Therefore, the correct answer is 'Extraction, purification, electrolysis, casting'.

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