Question

Name the depressant which is used to separate Zns and PBS in froth flotation process

Answer 1

Answer:

Sodium cyanide(NaCN) is used to separate ZnS and PbS ores in Froth floatation process. A depressant is used to separate two sulphide ores like ZnS and PbS. It does so by selectively preventing froth formation of one ore while allowing the other to come up with froth.

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