Let's match each colloidal solution in List-I with its appropriate use in List-II.
A) Colloidal antimony: Colloidal preparations of antimony have been historically used in medicine for the treatment of parasitic diseases, most notably for Kala-azar (leishmaniasis).
\(\rightarrow\) A - III
B) Argyrol: Argyrol is a brand name for a colloidal solution of silver protein. Due to its antiseptic properties, it was widely used as a topical antiseptic, particularly as an eye lotion for treating eye infections.
\(\rightarrow\) B - I
C) Colloidal gold: Colloidal gold has diverse applications. In the context of medicine, it has been explored for various therapeutic purposes, including as an intramuscular injection for certain conditions (though its use has evolved with modern medicine, historical and experimental uses include this application).
\(\rightarrow\) C - II
D) Milk of magnesia: Milk of magnesia is an aqueous suspension (a type of colloidal solution) of magnesium hydroxide, Mg(OH)\(_2\). It is a common antacid and laxative, primarily used to relieve heartburn, indigestion, and constipation, which are forms of stomach disorders.
\(\rightarrow\) D - IV
Summary of Matches:
A - III
B - I
C - II
D - IV
Comparing this with the given options, Option (1) matches our derived set of correspondences.
The final answer is \(\boxed{A-III, B-I, C-II, D-IV}\).