Mixed substances are those which are made of two or more substances. Some examples are:

- Wood (cellulose, lignin,hemicelluloses)

- Gasoline (various hydrocarbons)

- Butter (fat, water, milk solids)

- Salt water (sodium chloride, water)

- Brass (copper, zinc)

- Bronze (copper, tin)

- Steel (iron, carbon)

- Wine (water, alcohol, sugar, acids)

- Beer (water, alcohol, yeast, hops)

- Milk (water, fat, protein, carbohydrates, minerals)