Some Basic Principles Of Organic Chemistry Question 226
Question: Sulphide ores of metals are usually concentrated by froth floatation process. Which one of the following sulphide ores offers an exception and is concentrated by leaching?
Options:
A) Sphalerite
B) Galena
C) Argentite
D) Copper pyrites
Show Answer
Answer:
Correct Answer: C
Solution:
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.
