General Principles & Processes of Isolating Elemen Class 12th Chemistry Ncert Solutions Chemistry Class 12th

6.6 What is the role of depressant in froth floatation process?

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Vishal Baghel | Contributor-Level 10

10 months ago

In the froth floatation method, the role of depressants is to prevent certain types of particles from forming the froth with the air bubbles. For example, NaCN is used as a depressant to separate lead sulfide ore (PbS) from zinc Sulphide ore (ZnS).NaCN forms a zinc complex Na₂ [Zn (CN)₄] on the surf

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Chemistry Ncert Solutions Class 12th 2023

Chemistry Ncert Solutions Class 12th 2023

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