Chemical Indicators || Lecture - 4 || ACID BASE & SALT || 10th CHEMISTRY || CHAPTER - 2

In this lecture, we explore the concept of chemical indicators and their role in identifying acids, bases, and neutral substances. You will learn about natural indicators, synthetic indicators, and universal indicators, as well as how color changes help determine the pH of a solution. The lesson includes demonstrations, examples, and NCERT-aligned explanations suitable for Class 10 students. This session builds a strong foundation for understanding acid–base reactions and their practical applications.