CBSE Tutorials

Month: September 2015

  • CBSE Chemistry :Matter – Nature and Behavior – Important Terms

    Matter – Nature and Behavior – Important Terms  Density: The mass per unit volume of a substance is called density. Kinetic Energy (K.E.): The energy possessed by a particle by virtue of its motion is called kinetic energy Kinetic energy of particles in solid state is very less. Pressure: The force per unit area is…

  • CBSE Chemistry | Matter and its classification

    Matter and its classification MATTER: Any thing that has weight and occupies space and can be felt by one of our senses is called matter e.g., air, water, wood, chalk, table, chair etc. CLASSIFICATION OF MATTER: (i) Based on state (Physical Classification)   (ii) Based on purity/composition (Chemical Classification) . (iii) According to Ancient Indian…