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Which one of the following methods is used in the concentration of sulphide ore?
Option: 1
Froth floatation
Option: 2
Smelting
Option: 3
Roasting
Option: 4
All of the above
Answers (1)
The concentration of ore may be done using physical and chemical methods. The physical method involves hydraulic washing, magnetic separation and a froth floatation process. Chemical methods involve leaching.
Among the given methods, only the froth floatation process is applied for the concentration of sulphide ore. It works on the principle of differential wetting of ore by oil and impurity by water.
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