1.

Common impurities present in bauxite are.....

Answer»

CuO 
ZnO
`Fe_2O_3`
`SiO_2`

SOLUTION :`Fe_2O_3` and `SiO_2` are IMPURITIES present in BAUXITE. `SiO_2` is REMOVED as SOLUBLE silicates while `Fe_2O_3` is precipitated as hydroxides.


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