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प्रश्न
Why do we separate mixtures?
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उत्तर
A mixture is an impure substance and contains more than one kind of particles. So, we have to separate mixtures.
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संबंधित प्रश्न
Tick the most appropriate answer.
The different constituents of ink are separated by
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Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method.
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Explain with a diagram the process used to – separate the following substance from the given mixture.
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| Column A | Column B | ||
| 1. | Separation of salt from saltwater | a. | Magnetic separation |
| 2. | Separation of tea leaves from tea extract | b. | Evaporation |
| 3. | Separation of sand and iron filings | c. | Churning |
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A mixture of wheat grains and wheat flour can be separated by sieving.
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| COLUMN I | COLUMN II | ||
| (a) | Oil mixed in water | (i) | Sieving |
| (b) | Iron powder mixed with flour | (ii) | Hand picking |
| (c) | Salt mixed with water | (iii) | Decantation |
| (d) | Lady’s finger mixed with french beans | (iv) | Magnet |
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