What happens when 3mark
(a) a freshly prepared precipitate of Fe(OH)3 is shaken with a small amount of FeCl3 solution ?
(b) persistent dialysis of a colloidal solution is carried out ?
(c) an emulsion is centrifuged ?
(a)Peptisation occurs / Colloidal solution of Fe(OH)3 is formed 1mark
(b)Coagulation occurs 1mark
(c)Demulsification or breaks into constituent liquids 1mark