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Combined State

A mineral is ...

Question

A mineral is rich in ZnS and PbS. If it can be concentrate by froth flotation process enter 1 else 0.

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Solution

NaCN is added benefication by froth floation process (FFP), ZnS in convered to soluble complex $N a_{2} [Z n (C N)_{4}]$ and PbS goes into froth by FFP.

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Q. ZnS is always contaminated with PbS. We add

N a C N + Z n S

to enrich PbS by froth flotation process. If true enter 1 else 0.

Q. NaCN is sometimes added in the froth flotation process as a depressant when ZnS and PbS minerals are expected because __________.

N a C N

is sometimes added in the froth flotation process as a depressant when

Z n S

P b S

minerals are expected because ______.

Z n S

P b S

minerals are present together, then

N a C N

is added to separate them in the froth flotation process as a depressant, because:

N a C N

is sometimes added in the froth flotation process as a depressant when

Z n S

P b S

are to be separated in the given sample because:

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