Absorption

Heterogeneous catalysis is also referred to as surface catalysis.

Give two examples of bulk and surface phenomena respectively.

Explain the types of absorption.

Write the differences between absorption and adsorption.

In which of the following examples, only absorption is taking place?

Differentiate between bulk phenomena and surface phenomena.

Which is not a purely surface phenomena? 

An equal volume of gases ${\mathrm{NH}}_3, {\mathrm{CO}}_2$ and ${\mathrm{CH}}_4$ are adsorbed by one gram of charcoal at $298 \mathrm{K}$ in the order: 

Which of the following is an example of absorption?