Chapter 3 Separation of Substances class 7th icse chemistry in hindi ‪@jatinacademy‬

Chapters 0:00 Introduction 0:18 Separation 1:45 Pure substance 4:50 Atom 6:28 Molecule 10:40 Element 16:37 Compounds 19:20 Mixture 23:22 Winnowing 25:07 Hand Picking 26:11 Magnetic Separation 27:45 Sieving 29:26 Sublimation 36:22 Sedimentation 38:25 Coagulation or loading 40:39 Filtration 42:51 Floatation 44:11 Centrifugation 45:49 Evaporation 47:28 Distillation 50:12 Fractional Distillation 51:59 Separating Funnel 54:11 Chromatography 58:49 thank you