Question

The colloidal solution of red colour is obtained by adding some drops of dil HCl in precipitate of fresh ferric oxide. This process is called :
(a) Precipitation
(b) Dialysis
(c) Protection
(d) Dissociation

Answer 1

Answer:

(a) Precipitation

Explanation:

Peptisation is the process in which a fresh precipitate is converted into a colloidal solution by adding a peptizing agent or electrolyte.

Answer 2

Answer:

The process is called (a) Precipitation