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<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Explain the gravity separation method.

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<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> In the gravity separation method, the ore is concentrated by passing it through an upward stream of water whereby all the lighter particles of gangue are separated from the heavier metal ore.
In this method, we pour the ore over a sloping, vibrating corrugated table with grooves. A jet of water is allowed to flow over the surface.
The denser ore particles settle in the grooves, and the impurities are washed away by water.
Gravity separation method is also known as hydraulic washing.

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