The differences between mixtures and compounds are
Mixture
1. It is made up of two or more pure substances mixed in any proportion.
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2. In a mixture, the properties of the constituents do not disappear. Hence, the properties of a mixture are the average of the properties of its constituents.
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3. The constituents of a mixture can be separated by simple physical processes.
4. It may be homogeneous or heterogeneous
5. In its formation, no new substance is formed
6. No energy change takes place during its formation.
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7. It has no definite melting point, boiling point, etc.
Compound
1. It is a pure substance made up of atoms of two or more elements combined together in a fixed proportion.
2. The properties of a compound are entirely different from those of its constituents.
3. The constituents of a compound cannot be separated by such physical methods.
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4. It is always homogeneous.
5. It is a new substance entirely different from its constituents.
6. The formation of a compound is always accompanied by energy changes.
7. It has definite melting point, boiling point, etc.