Extraction of copper from copper pyrite `(CuFeS_(2))` involves

Extraction of copper from copper pyrites (CuFeS_2) involves

Extraction of copper from copper matte

Incorrect statement related to extraction of copper from copper pyrite is:

incorrect statement related to extraction of copper from copper pyrite is:

Extraction of copper from copper pyrites is achieved by

What is the role of following ? (a) Depressant in the froth floatation process. (b) Silica in the extraction of copper from copper pyrites. (c ) Cryolite in the metallurgy of aluminium.

In the extraction of copper from copper pyrites, iron is removed as :