Exo and endothermic Reactions - Lecture 2 - Chapter 5 - Chemistry Class 9 in Urdu medium - new book

Welcome to my YouTube channel. In this video we shall study Lecture 2 of chapter 5 of Chemistry class 9 in Urdu medium of new book. In this lecture 2 of chapter 5 of Chemistry class 9 in Urdu medium of new book we will understand the following topics:- Exothermic reactions Endothermic reactions Daily use cases of Exothermic reactions in our lives. How can we see that which reactions are Endothermic and exothermic? Heat is absorbed during bond breaking. Heat is evolved during Bond forming. Sample Problem Exercise This is the 2nd lecture of chapter 5 chemistry class 9 in Urdu medium. If you want to learn all about of exothermic and endothermic reactions here is the best video in Urdu. Lecture 2 of chapter 5 is very interesting lesson. So best of luck for this lecture 2 of chapter 5 in Urdu.