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JEE CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

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In the concentration of galena by froth floatation method which of the following is used as a depressant?

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Correct option: C

\mathrm{NaCN}

Option C (

\mathrm{NaCN}

) is correct because it acts as a depressant in the froth floatation method, selectively preventing ZnS from forming froth while allowing PbS to be collected.

JEE CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

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