Question

Give a princilpe of hydraulic washing ​

Answer 1

Explanation:

This method is based on the differences in weight between the gangue and the metal. Generally, the metal particles of the ore are heavier than the impurities. So we use the principle of gravity separation to separate the two.

Answer 2

Answer:

this method is based on the difference in weight between the gangue and the metal.. generally the metal particles of the ore are heavier the impurities. so we use principle of gravity separation to separate the two.