MIXTURES 0.0 / 5 ? ChemistryStates of Matter/Methods of Seperating and purifying substanceGCSEEdexcel Created by: sara.5Created on: 14-04-18 12:24 Why can't we separate pure substances? As it has fixed composition in all its parts 1 of 5 Why can we separate mixtures? Because it contains elements/compound that are not chemically joined together 2 of 5 Which type of substance has the same physical property ? Pure substances 3 of 5 Why does pure substance have sharp meting point? They have the same physical property and therefore all melt at the same time 4 of 5 Why does a mixture have a range of melting point? Because the substances have different physical property therefor their melting point will be over a range of temperature 5 of 5
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