[" Formation of metallic copper from the sulphide ore "],[" in the commercial metallurgical process involves."]

Formation of metallic copper from the sulphide ore in the normal thermo-metallurgical pro essentially involves which one of the following reaction

Formation of metallie copper from the sulphide ore in the normal thermo-metallurgical process essentially involves which one of the following reaction?

Formation of metallic copper from the sulphide ore in the normal thermo-metallur-gical process essentially involves which one of the following reaction ?

Formation of metallic copper from sulphide ore in te normal thermometallurgical process essentially involves which of the following reactions

Formation of metallic copper from sulphide ore in te normal thermometallurgical process essentially involves which of the following reactions

Formation of metallic copper from sulphide ore in te normal thermometallurgical process essentially involves which of the following reactions

Extraction of copper from its sulphide ore.

The extraction of metals from sulphide ore involves