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Froth floatation process used for the co...

Froth floatation process used for the concentration of sulphide ore :

A

is based on the difference in wettability of different minerls

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 forms froth

D

All are correct statements

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The correct Answer is:
D
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VK JAISWAL ENGLISH-METALLURGY-Level 2
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  2. Find the incorrectly matched pair ?

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  3. Froth floatation process used for the concentration of sulphide ore :

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  4. When ZnS and PbS minearls are present together, then NaCN is added to ...

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  5. Leaching of Ag(2)S is carried out by heating it with a dilute solution...

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  6. Leaching is commercially carried out for in the concentration of :

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  7. NaCN is sometimes added in the froth flotation process as a depressant...

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  8. Which of the following substance acts as collector in froth floatation...

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  9. In which of the following pair of metals, both are commercially extrac...

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  10. Formation of metallic copper from the sulphide ore in the commercial m...

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