Pu Ra Educator's video: IS MATTER AROUND US PURE CLASS 9 CHAPTER 2 CHEMISTRY SCIENCE CBSE KVS NCERT

HERE YOU LEARN ABOUT NCERT SCIENCE CLASS 9 CHAPTER 2 IS MATTER AROUND US PURE CLASS 9 CHAPTER 2 CHEMISTRY CBSE KVS FULL CHAPTER. KEYWORDS: ELEMENTS COMPOUNDS AND MIXTURE, TYPES OF MIXTURES, HOMOGENEOUS AND HETEROGENEOUS MIXTURES, SOLUTION, CONCENTRATION OF A SOLUTION, SATURATED SOLUTION, UNSATURATED SOLUTION, SOLUBILITY, DILUTE, CONCENTRATION, COLLOIDAL SOLUTION AND SUSPENSION, PURE AND IMPURE SUBSTANCE, DIFFERENCE BETWEEN ELEMENTS, COMPOUNDS AND MIXTURE, TYPES OF COLLOIDS, TYNDALL EFFECT, DIFFERENCE BETWEEN SOLUTION, SUSPENSION AND COLLOIDAL SOLUTION, AEROSOL, SOLID SOL, FOAM, GEL, SEPARATING THE COMPONENTS OF A MIXTURE, EVAPORATION, CENTRIFUGATION, SEPARATION OSF IMMISCIBLE LIQUIDS, SUBLIMATION,CHROMATOGRAPHY, KROMA, FRACTIONAL DISTILLATION, CRYSTALISATION, PHYSICAL AND CHEMICAL CHANGES, TYPES OF PURE SUBSTANCES, ELEMENTS, METALS, NON METALS, METALLOIDS, COMPOUNDS.