Facts that Matter Compounds The compound is a  pure substance made up of two or more elements combined chemically in a definite ratio Characteristics: The properties of compound differ from those of its constituents. Compound has fixed melting point and boiling point. Compound is a homogeneous substance. Constituent elements can be separated by chemical process. Mixtures It is made up of two or more elements or compounds mixed in any ratio/proportion. Properties: It may be homogeneous or heterogeneous. The properties of constituent substances are retained. No new compound is formed. Elements can be separated by simple physical processes. It does not have a fixed melting and boiling point. Separation of Mixtures: Physical and Chemical Change Solution It is a homogeneous mixture of two or more substances. Different Types of Colloids It is the url of YouTube:   https//youtu.be/UB1B4Slw9E0 Thanks for visiting  Plzz like follow if you like this..........