Mixture

Compound

1. Impure matter

1. Pure matter.

2. Constituents combine in any ratio to form mixture.

2. Constituents combine in fixed ratio to form a compound.

3. Constituents retain their properties.

3. Constituents do not retain their properties as a new substance is formed.

4. Constituents can be separated by physical processes.

4. Constituents cannot be separated by physical processes.