Question

1. The continuous zig-zag movement of colloidal particles in a dispersion medium is called​

Answer 1

Answer:

Colloidal particles in a sol are continuously bombarded by the molecules of the dispersion medium on all sides. ... As a result, the sol particles show random or zig-zag movements. This random or zig-zag motion of the colloidal particles in a sol is called Brownian motion or Brownian movement.