Given below are the steps for extraction of copper from its ore. Write the reaction involved


#1

(i) Given below are the steps for extraction of copper from its ore. Write the reaction involved.
(a) Roasting of copper (I) sulphide.
(b) Reduction of copper (I) oxide with copper (I) sulphide.
© Electrolytic refining.
(ii) Draw a neat and well labelled diagram for electrolytic refining of copper.
Or
How is copper obtained from its ore ($Cu_{2}S$) ? Write only the chemical equations. How is copper thus obtained refined. Name and explain the process along with a labelled diagram.


#2

(i)

(ii) The diagram shown below is of electrolytic refining of copper.