Extraction of a metal from ore cassiterite involves :
Extraction of a metal from ore cassiterite involves :
A. Carbon reduction f the oxide ore.
B. Self reduction of the sulphide ore
C. removal of copper impurity
D. removal of iron impurity.
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Correct Answer - A::C::D
are correct options option (b) is not correct because caseterite ore is an oxide ore `(SnO_(2))`. It is not a sulphide ore.
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