Sulphide ores are generally concentrated by

The sulfide ores are generally concentrated by

Assertion: Sulphide ores are usually concentrated by froth floatation process. Reason: Magnetic ores are usually concentrated by gravity method.

Sulphide ores are concentrated by froth floatation process.

Sulphide ores are concentrated by froth floatation process. Write the name or formulae of any two sulphide ores of copper.