A) Sphalerite
B) Galena
C) Argentite
D) Copper pyrites
Correct Answer: C
Solution :
[c] Leaching: This process consists of treating the powdered ore with a suitable reagents (such as acids, bases or other chemicals) which can selectively dissolve the ore but not the impurities. It is used to extract silver metals.You need to login to perform this action.
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