Pure substances are made up of only one type of material, while mixtures are made up of two or more materials mixed together. Examples of pure substances include water, salt, and sugar, whereas mixtures include air, seawater, and mixtures of different types of sand.

1. Pure Substances vs Mixtures

2. Pure Substance
• Pure Substance is;
– A substance that is made up of only one type of
material

3. Mixture
• A mixture is;
– A substance that is 2 or more materials mixed
together

4. Practice
• Say whether the following materials are PURE
or MIXTURE