Copper sulphate solution is electrolyzed using a platinum anode.
(a) Study the diagram given alongside and answer the following questions:
(i) Give the name of the electrodes A and B.
(ii) Which electrode is the oxidizing electrode?
(b) A strip of copper is placed in four different colourless salt solutions. They are KNO3, AgNO3, Zn(NO3)2, Ca(NO3)2. Which one of the solutions will finally turn blue?
