Unit-5 : Surface Chemistry
	Adsorption
	Factors Affecting Adsorption of Gases by Solids
	Catalysis Homogeneous and Heterogeneous
	Activity and Selectivity
	Enzyme Catalysis
	Colloids
	Preparation of Colloids
	Purification of Colloidal Solutions
	Properties of Colloidal Solutions
	Emulsions: Liquid-Liquid Colloids