Home » Lectures » Chemistry chapterwise lectures class 7 LecturesLectures for class 7 Chemistry chapterwise lectures class 7 30 Views Chapter 1- Matter and Its Composition, part 1 Chapter 1- Matter and Its Composition, part 2 Chapter 2- Physical and Chemical Changes, part 1 Chapter 2- Physical and Chemical Changes, part 2 Chapter 4- Atoms, Molecules and Radicals, full chaper explanation