In this video of Lecture 2 of chapter 8 we shall learn properties of elements in different groups. So lecture 2 of chapter 8 there are mainly properties and explanations of groups like alkali metals , alkaline earth metals and halogens. This is the new book of Chemistry class 9 in Urdu medium. Best of luck for Lecture 2 of chemistry class 9 chapter 8 in Urdu medium.