Question

Given below are the steps for extraction of copper from its ore. Choose the correct sequence of its extraction. I. Electrolytic refining; ii. Reduction of copper oxide with copper sulphide; iii. Roasting of copper sulphide iv. Enrichment of o

Answer 1

Answer:

best method is copper glance

Explanation:

copper glance (cu2s): when it is heated in air partially oxidised and the oxidised product reacts with the remaining copper glance to give copper metal .....