Question

State two characteristics of matter demonstrated by:

1. Diffusion
2. Brownian motion

Answer 1

Diffusion: Diffusion is the movement of molecules from a high concentration region to a region of low concentration.

Characteristics of diffusion:

1. The matter is made up of tiny particles.
2. The particles of matter are constantly moving.

Brownian motion: The zig-zag motion of colloidal particles in the dispersion medium is called Brownian motion.

Characteristics of Brownian motion

1. The particles of matter are very small.
2. The particles of matter are constantly moving.