What is the role of depressant in froth floatation process?

(i) Name the method of refining to obtain silicon of high purity. (ii) What is the role of SiO_2 in the extraction of copper? (iii) What is the role of depressants in froth floatation process ?

What is the role of depressant in froth flotation process ?

What is the role of depressant in froth flotation process ?

What is the role of depressants in forth floatation process ?

What is the role of depresents in froth floatation process ?

State the role of depressant in froth floatation process.

(a) Write the principle of electrolytic refining. (b) Why does copper obtained in the extraction from copper pyrites bave a blistered appearance? (c) What is the role of depressants in the froth floatation process?