Chemistry-
General
Easy
Question
Sulphide ores are generally concentrated by
- (a) Froth floatation process
- Magnetic separation
- (c) Gravity separation
- By hand picking
The correct answer is: (a) Froth floatation process
Froth floatation method is based on the fact that the surface of sulphide ores is preferentially wetted by oil while that of gangue is wetted by water.
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