Modern ABC Chemistry is meticulously structured around four core units that define the Class 9 curriculum:
This introductory chapter explores the physical nature of matter. You will learn about the states of matter (solids, liquids, and gases), characteristics of particles, and how temperature and pressure change these states. Key concepts like evaporation, latent heat of fusion, and latent heat of vaporization are explained with real-world examples. 2. Is Matter Around Us Pure? modern abc class 9 chemistry pdf