Advertisements
Advertisements
प्रश्न
List five characteristics by which compounds can be distinguished form mixtures.
Advertisements
उत्तर
| Characteristics | Compound | Mixture |
| 1)Substance | Pure | Impure |
| 2)Way of combination | Two or more components combined chemically | Two or more substances mixed physically |
| 3)Ratio | Combine with a fixed ratio | Ratio of combination is not fixed. |
| 4)Relation between the properties of constituent molecules and compound or mixture | The properties of the constituents are different from compound. | The properties of constituent remain unchanged in mixture. |
| 5) Separation | The constituents of a compound can be separated by chemical methods. | The constituents of a mixture can be separated by physical methods. |
APPEARS IN
संबंधित प्रश्न
Give two examples of the following type of mixture.
liquid-gas
Write “true” or “false” for the following statement
Air can be separated from water by filtration.
Tick (√) the correct alternative from the choice given for the following statement:
Example of a homogeneous mixture is
Explain the term mixtures.
Match the statements in List I with the correct answer in List II.
| List I | List II |
| 1. Purification of water by adding alum | A: Sublimation |
| 2. Seawater leaving behind common salt | B: Sieving |
| 3. Separation of camphor and potassium chloride | C: Filtration |
| 4. Separation of charcoal from a charcoal-water mixture | D: Sedimentation |
| 5. Separation of bran and wheat flour | E: Evaporation |
Name the following:
A physical method of separating iron from an iron-sulfur mixture.
Give a reason for the following statement:
Gunpowder is an example of a heterogenous mixture.
Make a fruit or vegetable salad. Give reasons why you think it is a mixture.
Among the following______ is a mixture.
Name the process associated with the following
Settling of sand when a mixture of sand and water is left undisturbed for some time.
