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Question

Zinc Blende is concentrated by:

A
chemical separation
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B
magnetic speciation
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C
froth floatation
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D
hydraulic washing
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Solution

The correct option is C froth floatation
Froth Floatation method is commonly used for the concentration of the low grade sulphide ores like galena, PbS (ore of Pb); copper pyrites
Cu2S.Fe2S3 or CuFeS2 (ore of copper) ; zinc blende, ZnS (ore of zinc) etc.,

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