Some Basic Concepts of Chemistry, Structure of Atoms, Classification of Elements and Periodicity in Properties, Chemical Bonding and Molecular Structure, Chemical Thermodynamics, Thermochemistry, Chemical Equilibrium, Ionic Equilibrium, Redox Reactions, Organic Compound and their Nomenclature, Isomerism in Organic Chemistry, Fundamental Concepts of Organic Reaction Mechanism, Purification and Elemental Analysis, Hydrocarbons