Question

What is occlusion? Give an example.

Answer 1

Occlusion

• The adsorbed substance on the surface is known as adsorbate and the surface on which the substance is adsorbed is termed as adsorbent.
• It is a type of adsorption where adsorbate is the gas and metal act as an adsorbent where the gases are adsorbed.
• The adsorption of a gas on the surface of a metal is called occlusion.

Example

• Adsorption of Hydrogen $({\mathrm{H}}_2)$on Palladium metal is an example of occlusion.