Pure Substance → Element → Compound • Separation of substances • Types of mixture → Homogeneous mixture → Heterogeneous mixture ~ METHODS OF SEPARATION ~ • Separation of Solids from Other Solids → Handpicking → Threshing → Winnowing → Sieving → Magnetic Separation • Separation of Solids from Liquids → Sedimentation → Decantation → Filtration • Separating soluble from their solutions → Evaporation → Condensation