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Sometimes, it is possible to separate tw...

Sometimes, it is possible to separate two sulphide ores by adjusting proportion of oil to water or by using depressants. In case of an ore containing ZnS and PbS, the depresent used is

A

`Na_(2)SO_(4)`

B

`Na_(2)CO_(3)`

C

`NaCl`

D

NaCN

Text Solution

Verified by Experts

The correct Answer is:
D
NaCN is used as a depressant in the concentration of is an containing ZnS and PbS.
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Sometimes it is possible to separate two sulphide ores by adjusting the proportion of oil to water or by using depressant NaCN is added to an ore conaining ZnS and PbS, what is the correct observation?

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