6) name the substance used as depressant in the separation of two sulphide ores in froth floatation method
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Explanation:
Depressants help to separate two sulphide ores by selective prevention of froth formation by one ore and allowing the other to come into the froth. NaCN is used as a depressant in order to separate two sulphide ores (ZnS and PbS). PREVIOUS. A 38% solution of sulphuric acid is used as electrolyte.
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Answer:
NaCN is used as a depressant in order to separate two sulphide ores (ZnS and PbS).
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