Which of the following metals can be extracted from its ore by both pyrometallur-gical as well as hydrometallurgical methods ?

Which of the following metals can be extracted from its ore by both py

1.	Which of the following metals can be extracted from its ore by both pyrometallur-gical as well as hydrometallurgical methods ?
A.	Copper
B.	Zinc
C.	both 'a' & 'b'
D.	neither 'a' nor 'b'
Answer» D. neither 'a' nor 'b'

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Which of the following metals can be extracted from its ore by both pyrometallur-gical as well as hydrometallurgical methods ?

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