Question: Smelting is the process of
Options
A : removing the impurities like clay, sand etc. from the iron ore by washing with water
B : expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns
C : reducing the ore with carbon in the presence of a flux
D : all of the above
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A material is said to be allotropic, if it has
Closed packed hexagonal space lattice is found in
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