Mixtures differ from compounds as follows:

Mixture

1. A mixture is heterogeneous, except solutions which are homogeneous.

2. The components of a mixture may be present in any proportion.

3. Properties of a mixture are the average properties of the components.

4. The components of a mixture can be separated by simple physical methods.

5. During the preparation of a mixture, no heat, light or electricity is absorbed or evolved.

Chemical Compound

1. A chemical compound is always homogeneous.

2. The components of a compound are present in a fixed proportion.

3. Properties of a compound are entirely different from those of the component elements.

4. The components of a compound cannot be separated by simple physical methods.

5. Formation of a compound generally leads to the absorption or evolution of heat, light or electricity.

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