1.

How is Bauxiteare concentrated ?

Answer»

Solution :(i) Chemical method or Leachingmethod is EMPLOYED when the oreis in a very pure form .
(ii) The ORE is TREATED with a suitablereagent such that the ore is solublein its butthe IMPURITIESARE not .
(iii) The impuritiesare removed by FILTRATION .
(iv) The solution of the ore, i.e., the filtrate is treated with a suitablereagentwhichprecipitatesthe ore .


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