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Chemistry
Froth floatation process used for the concentration of sulphide ore
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Q. Froth floatation process used for the concentration of sulphide ore
General Principles and Processes of Isolation of Elements
A
Is based on the difference in wettability of different minerals
B
Uses sodium ethyl xanthate, $C _2 H _5 OCS _2 Na$ as collector
C
Uses $NaCN$ as depressant in the mixture of $ZnS$ and $PbS$ when $ZnS$ forms soluble complex and $PbS$ form froth
D
All of the above are correct
Solution:
Correct answer is (d) All of the above are correct