Answer to Question #225398 in Organic Chemistry for nooooo

Question

Copper can be obtained from copper pyrites by some suitable process. Some metallurgical processes are given below

(i) Roasting

(ii) Leaching

(iii) Froth floatation process

(iv) Self reduction

(v) Poling

(vi) Chromatography

(vii) Hall Heroult process

The method which is not used in extraction of copper from copper pyrite

Answer 1

(vi) Chromatography