MetallurgyHard
Question
Gravity separation process may be used for the concentration of :
Options
A.chalcopyrite
B.bauxite
C.haematite
D.calamine
Solution
Hydraulic washing or Gravity separation or Levigation method is generally used for the concentration of oxide and native ores. As haematite, Fe2O3 is an oxide ore so its concentrated by gravity separation method.
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