Froth flotation process used for the con...

Froth flotation process used for the concentration of sulphide ore.

A

is based on the difference in wetablity of different minerals

B

used xanthates and fatty acids as collectors.

C

uses NaCN as depressant in the mixtures of ZnS and PbS when ZnS soluble complex and PbS forms froth.

D

all are correct statements

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The correct Answer is:

D

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