1.1 Chemistry---the central science full of practicability and creativity 1.2 Features of chemical changes 1.3 History, revival and development of inorganic chemistry 1.4 How to study easily but efficiently inorganic
§ 5.1 The Brønsted theory of acids and bases § 5.2 Ionization equilibrium of water and the pH scale § 5.3 Equilibrium in solutions of weak acids and weak bases § 5.4 Buffer solutions