Q. Smoke (a negatively charged colloid) is an example of :
A) Gas dispersed in liquid
B) Gas dispersed in solid
C) Solid dispersed in gas
D) Solid dispersed in solid
Explanation
(c)
Smoke is carbon in air, negative aerosol.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.