Q. 19

With the help of an example explain how one can separate two sulphide ores by Froth Floatation method.

Answer :

To separate two sulphide ores for example there is an ore containing zinc sulphide and lead sulphide so when we add depressant that is NaCN or KCN then this selectively allows lead sulphide to come with the froth and prevents zinc sulphide to come with the froth.

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