General Principles and Processes of Isolation of Elements
Hydraulic washing is based on the differences in ___________ of the ore and gangue particles.
- specific gravities
- type of material
- none of these
Correct Answer: Option(a)
Solution: Hydraulic washing is a type of gravity separation, which is based on gravity differences between the ore and the gangue particles. In this process, the lighter gangue particles are washed away by a stream of water, leaving behind the heavier ore.