Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...

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 orange ...

Pure and Mixed Substances: In the world of chemistry, substances are broadly classified into two fundamental categories: pure and mixed substances. Understanding these distinctions is crucial as they ...

Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom. Iron is an ...