Q. Colloidal solution commonly used in treatment of skin diseases is :
A) Colloidal sulphur
B) Colloidal silver
C) Colloidal gold
D) Colloidal antimony
Explanation
(a)
Because of larger surface area in colloidal state, adsorption is more, also it acts as germ killer.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.