concentration of ore
(1) hydraulic washing
(2) magnetic separation
(3) froth floatation method
(4) leaching
explain in short from
Kindly refer to the following links:
https://www.meritnation.com/ask-answer/question/what-ishydraulic-washing-or-gravity-separation-explain-w/metals-and-non-metals/5936933
https://www.meritnation.com/ask-answer/question/what-is-magnetic-separation/general-principles-and-processes-of-isolation-of-elements/1639734
https://www.meritnation.com/ask-answer/question/what-is-froth-floatation-and-how-is-it-used-in-extraction-an/metals-and-non-metals/2700564
https://www.meritnation.com/ask-answer/question/what-is-leaching/resources-and-development/2108568
https://www.meritnation.com/ask-answer/question/what-ishydraulic-washing-or-gravity-separation-explain-w/metals-and-non-metals/5936933
https://www.meritnation.com/ask-answer/question/what-is-magnetic-separation/general-principles-and-processes-of-isolation-of-elements/1639734
https://www.meritnation.com/ask-answer/question/what-is-froth-floatation-and-how-is-it-used-in-extraction-an/metals-and-non-metals/2700564
https://www.meritnation.com/ask-answer/question/what-is-leaching/resources-and-development/2108568