Surface Chemistry

Colloids :- A Colloid is a heterogeneous system in which one substance is dispersed ( dispersed phase ) as very fine particles in another substance called dispersion medium. Colloidal particles have and enormous surface area per unit mass as a result of their small size. Consider a cube with 1 cm side. It has a…

Adsorption :- Adsorption is defined as the deposition of molecular species onto the surface . The molecular species that gets absorbed on the surface is known as absorbate and the surface on which adsorption occurs is known as adsorbent . Common examples of adsorbents are clay , silica , gel , metal etc . Adsorption…