Correct option: (d) All of these
Explanation:
(a) The size of the colloidal particles is in between the size of the molecule and the size of the particle of a coarse suspension.
(b) White portion of the egg is condensed colloidal solution whereas the sol prepared from this substance is a dilute colloidal solution.
(c) Dialysis is a slow process. It may some times take several days for its completion.
