During the extraction of Aluminium, the ore is concenterated by the process of
opt
1: magnetic separate
2: leaching
3: forth floating
4: Hydraulic separation
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Explanation:
Concentration of ore
The bauxite ore contains ferric oxide and silica as impurities. It is first concentrated by gravity separation of ferric oxide impurities by the process of magnetic separation. The ore is then concentrated by chemical process. Bauxite is the name given to aluminium ore
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Answer:
Leaching is the correct option
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