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Question

Concentration of which of the following ore is carried out by froth floatation process?

A
Bauxite
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B
Chalcocite
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C
Haematite
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D
Calamine
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Solution

The correct option is B Chalcocite
Froth flotation process is selectively used for separating hydrophobic and hydrophilic substances. Chalcocite (Cu2S) is a sulphide ore and sulphide ores are concentrated by froth floatation.

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