Q18Multiple correct
In the Froth Floatation process, zinc sulphide and lead sulphide can be separated by ______________.
- (i)using collectors.
- (ii)adjusting the proportion of oil to water.
- (iii)using depressant.
- (iv)using froth stabilisers.
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(ii) adjusting the proportion of oil to water.
(iii) using depressant.