What are the basic concepts in class 10 chemistry Chapter 2?

The basic concepts in Class 10 Chemistry Chapter 2 include the definitions and properties of acids and bases, the concept of indicators, the pH scale and its importance, neutralisation reactions, and the chemical properties of acids and bases. It also covers the preparation, properties, and uses of common salts such as baking soda, washing soda, bleaching powder, and Plaster of Paris. These concepts link theory with practical applications in daily life and industry.