Q. The protecting power of lyophilic colloidal sol is expressed in terms of :
A) Critical miscelle concentration
B) Oxidation number
C) Coagulation value
D) Gold number
Explanation
(d)
Gold number is a scale to express protecting power of lyophilic colloidal sol.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.