To match List-I with List-II correctly, we analyze the medical and practical applications of each colloidal substance:
I. Colloidal antimony → A. Kalaazar
Colloidal antimony is used in the treatment of kalaazar (a parasitic disease caused by Leishmania). It is an effective antiprotozoal agent.
II. Silver sol → C. Eye lotion
Colloidal silver (silver sol) is known for its antiseptic and antibacterial properties and is commonly used in eye lotions to treat eye infections.
III. Milk of magnesia → D. Stomach disorder
Milk of magnesia is a colloidal suspension of magnesium hydroxide. It is widely used as an antacid and a laxative to treat indigestion and other stomach disorders.
IV. Gold sol → B. Intramuscular injection
Colloidal gold (gold sol) is used in certain therapeutic treatments, including intramuscular injections for arthritis and other inflammatory conditions.
Therefore, the correct matching is:
I - A, II - C, III - D, IV - B