Key term for AQA GCSE Chemistry, used in Purity and Chromatography.
An unwanted substance mixed into a pure material, which disrupts its regular structure and alters its melting and boiling points.
Impurity appears in AQA GCSE Chemistry revision content for Chemical analysis, especially Purity and Chromatography and Pure Substances.
Create a free account to access AQA GCSE Chemistry revision notes, track progress, and practise related key terms.
