Electrometallurgical methods of metal extraction is normally used for

1.	Electrometallurgical methods of metal extraction is normally used for those metals
A.	whose oxide/ore is not reduced by carbon.
B.	which fall in the category of alkali & alkaline earth metals.
C.	which stands higher in the electrochemical series of the metal.
D.	all (a), (b) & (c).
Answer» E.

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Electrometallurgical methods of metal extraction is normally used for those metals

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