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How is Bauxite are concentrated ?...

How is Bauxite are concentrated ?

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(i) Chemical method or Leaching method is employed when the ore is in a very pure form .
(ii) The ore is treated with a suitable reagent such that the ore is soluble in its but the impurities are not .
(iii) The impurities are removed by filtration .
(iv) The solution of the ore, i.e., the filtrate is treated with a suitable reagent which precipitates the ore .
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