This page explains the differences between mixtures and compounds, highlighting that mixtures are heterogeneous and can be separated easily, while compounds are homogeneous with fixed element proporti...This page explains the differences between mixtures and compounds, highlighting that mixtures are heterogeneous and can be separated easily, while compounds are homogeneous with fixed element proportions that do not retain individual properties. Techniques like dialysis and chromatography separate mixture components, with pure substances being elements or compounds that cannot be broken down.