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NEETChemistryGeneral Principles and Processes of Isolation of Metals

In the case of an ore containing ZnS and PbS, what depressant is used in the Froth Floatation method?

Options

  1. ANaOH
  2. BNaCN
  3. CHCl
  4. DH 2 SO 4

Correct answer

B. NaCN

Step-by-step solution

In the case of an ore containing ZnS and PbS, the depressant used in the Froth Floatation method is NaCN.

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