9th physics cbse

9th Chemistry-CBSE

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  • Description
Pebbles presents “CBSE 9th Std Chemistry”, an audio visual educational help tool to the students to understand the complex subject matter easily. The DVD limelights spectacular animations on various experiments and Physical concepts covering multifaceted aspects of the latest educational trends backed by commanding voice over by media professionals. The animated experiments have an intrinsic approach captivating the young minds effortlessly. A must on hand for the young and aspiring students, the DVD covers the following:

Matter in Surroundings
Nature of matter, Evaporation Diffusion of Particles Matter has Space Particles of Matter Move Continuously Particles of matter attract each other Gaseous State, States of Matter Effect of change of Temperature 

Matter Around us
Solution & Colloidal Solution Types of Colloids & Shown in the table Tyndall Effect, Properties of colloids Obtaining Coloured Component Separating Components Immiscible Liquid Separation Separation of two miscible liquids Fractional Distillation, Water Purification Different gases from air Physical and Chemical Change Element, Compounds

Structure of atom 
Thomson & Rutherford's model of an atom Bohr's Atomic Model Neutrons, Atomic Number Distribution of Electron, Composition of atom 

Atoms and Molecules
Law of Constant Proportion Atoms and Molecules Dalton’s Atomic Theory Atoms, Dalton's & Element Symbols Atomic Mass, Ratio of water Molecule Molecules of Compound Ion, Mole Concept, Chemical Formula Formula, Formula unit mass 

Natural Resources
Air Currents, Rain, Air Pollution, Lichens Effect of Air & Water Pollution Effect of water Flow, Water Cycle The Nitrogen Cycle, The Carbon Cycle The Green House Effect, Ozone Layer The Oxygen Cycle