A) enthalpy change during the formation of colloids
B) attractive forces between the colloidal particles and the molecules of dispersion medium
C) the impact of molecules of the dispersion medium on the colloidal particles
D) the movement of positively charged colloidal particle to negatively charged particle
Correct Answer: C
Solution :
The continuous rapid zig-zag motion by a colloidal particle in the dispersion medium is called Brownian movement.
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