Page 1 - 2.Lesson Note-Concept Mapping
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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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