Multiple choice

Diffusion is very fast in?

  1. Solids

  2. Liquids

  3. Gases

  4. None of these.

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Diffusion is the movement of particles from a region of higher concentration to lower concentration. Because gas particles have high kinetic energy and large intermolecular spaces, they diffuse much faster than liquids or solids.