Chemistry
Answer
| Compounds | Mixtures |
|---|---|
| A compound is a pure substance. | A mixture is an impure substance. |
| Compounds are always homogeneous. | Mixtures may be homogeneous or heterogeneous. |
| Formation of a compound involves a change in energy. | Formation of a mixture does not involve any change in energy. |
| Components of compounds can be separated only by complex chemical processes. | Components of mixtures can be separated by simple physical methods of separation. |
Related Questions
Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method.
(a) Chalk powder from water
(b) Iron from sulphur
(c) Water and alcohol
(d) Sodium chloride and potassium nitrate
(e) Calcium carbonate and sodium chloride
List four characteristics of mixtures.
Why is it necessary to separate the components of a mixture ? Explain.
How sand, salt and ammonium chloride will be separated from their mixture ? Explain.