Q. A colloidal solution always has at least :
A) One phase
B) More than two phases
C) A true solution
D) Two phases
Explanation
(d)
Colloidal systems are heterogeneous, $i.e.,\ P \geq 2,\ i.e.,\$dispersion of one phase in other.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.