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SAI International School
                                                          Class-IX
                                                   Subject- Chemistry

                                          Topic-Is matter around us pure?
                                                       Concept Map
                                                       Lesson Notes

                                                   Concept Mapping
                     Mixture                                         Difference between Pure
                                                                        substances and mixtures
                                                                      Types of mixture-Homogeneous
                                                                        and heterogeneous

                                                                      Homogeneous mixtures-
                                                                        solutions


                     Solutions                                       Components of solution-solute
                                                                        and solvent
                                                                      Properties of solution
                                                                      Types of solution-Dilute and
                                                                        concentrated, saturated and
                                                                        unsaturated
                                                                      Concentration of solution-
                                                                        mass/mass percentage,
                                                                        mass/volume percentage
                     Colloids                                        Components of colloid-Dispersed
                                                                        phase and dispersion medium
                                                                      Types of colloids
                                                                      Properties of colloid


                     Suspensions                                     Properties of suspension
                                                                      Difference between
                                                                        solution,colloid and suspension

                     Separation Techniques                            Evaporation
                                                                      Centrifugation
                                                                      Separating funnel

                                                                      Sublimation
                                                                      Chromatography
                                                                      Distillation
                                                                      Fractional Distillation
                                                                      Crystallisation





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