Keywords chemistry, matter, elements, compounds, mixtures, iron, sulfur, physical properties, chemical properties, solubility, density, reactions, iron sulfide Email us at [email protected] if ...

The word 'pure' is used in chemistry in a different way from its everyday meaning. For example, shops sell cartons labelled as ‘pure' orange juice. The label means that the contents are just ...

When mixed, all components contributed to the mixture's cytotoxicity and neurotoxicity," says the study's first-author, Karla ...

The questions in this quiz are suitable for GCSE chemistry students studying pure substances and mixtures, paper chromatography and distillation. If you struggled with the quiz, don't panic - we ...