NAGALAND Class 12-science Chemistry Surface Chemistry
Adsorption
Meaning of Adsorption. Difference between absorption and adsorption. Physisorption and chemisorption, factors affecting adsorption.Catalysis
Catalysis: Homogenous and Heterogeneous. Activity and selectivity, enzyme catalysis. Shape selective catalysis like Zeolite.Emulsions
Define colloids. Classify colloids based on state of dispersion phase and dispersion medium. Preparation, properties and classification of emulsions.Types of Colloids
Classification based on type of particle Classification based on interaction of particles and the medium. Preparation and Purification of colloids.Properties of Colloids
Properties of colloids like Tyndall effect, Colour Brownian motion and Charge on colloidal particles. Coagulation of colloids and application colloids