20 Read the following and answer any four questions In the
Last updated: 7/2/2023
20 Read the following and answer any four questions In the electrolytic refining of copper The electrolyte is a solution of acidified copper sulphate There are an anode and cathode Refining is carried out by passing an electric current Cathode 52 Cu a Anode i The anode is a pure strips b impure copper c refined copper d none of these ii Anode mud consists of a insoluble impurities b soluble impurities Acidified copper sulphate Impurities Ganode mudi c pure metal d impure metal iii Which of the following are refined electrolytically A Au B Cu C Zn D K a A and B b B and C c A B and C d B C and D iv On passing electric current Cu is deposited on a cathode b anode c bottom of cathode d bottom of anode v Which one of the following four metal would be displaced from the solutic