Electrometallurgy is not involved in the extraction of ___________________ from its ore?

Electrometallurgy is not involved in the extraction of _______________

1.	Electrometallurgy is not involved in the extraction of ___________________ from its ore?
A.	Aluminium
B.	Tin
C.	Lead
D.	Both B. & C.
Answer» E.

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Electrometallurgy is not involved in the extraction of ___________________ from its ore?

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