Q. 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 chemical leaching?

 1207  205 Rajasthan PETRajasthan PET 2011 Report Error

Solution:

Galena copper pyrite and argentite are concentrated by froth floatation process but sphalerite is concentrated by chemical leaching.