One of the methods of purification of leach liquor is ion exchange, which involves
(A) Exchange between two liquid phases
(B) Exchange between a gaseous phase and a liquid phase (C) Exchange between a liquid phase and an organic resin phase (D) Exchange between a solid phase and a gas phase
(A) Exchange between two liquid phases
(B) Exchange between a gaseous phase and a liquid phase (C) Exchange between a liquid phase and an organic resin phase (D) Exchange between a solid phase and a gas phase