The benefication of the sulphide ores is usually done by:

Sulphide ore is

Sulphide ore is

Sulphide ore is :

Explain why the concentraction of the sulphide ore is usually carried out by froth-floatation.

The sulphide ores are generally concentrated by :

Roasting of the sulphide ore is partially done in the metallurgical operation of copper. Explain.

Sulphide ores are generally concentrated by

(A) Roasting is a process in which the ore is heate in presence of air (R ) Concentration of sulphide ore is done by calcinaiton