Q.
Which is (are) not an ore?
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a
Bauxite
b
Zinc blende
c
Pig iron
d
Wrought iron
answer is C.
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Detailed Solution
Wrought iron is purest commercial form of iron; pig iron is impure iron.Bauxite: Ore of Al;Al2O3⋅2H2OZinc blende: Ore of Zn; ZnS
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