Absorption

Heterogeneous catalysis is also referred to as surface catalysis.

Give two examples of bulk and surface phenomena respectively.

Write any two examples for absorption process.

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.

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: 

Cotyledons are also called-