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Question
Tick the most appropriate answer.
The different constituents of ink are separated by
Options
handpicking.
paper chromatography
filtration
magnetic separation
Solution 1
paper chromatography
Solution 2
paper chromatography
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RELATED QUESTIONS
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Which of the gas is highly soluble in water ?
Write true or false
Handpicking can be used as a separation technique if the particle size of the constituents of the mixture is the same.
What is centrifugation ? Also write the principle on which it works.
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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Centrifugation can be used for separating an insoluble heavier solid, present in an – insoluble solid-liquid mixture.
Using suitable apparatus from your laboratory separate the mixture of chalk powder, mustard oil, water, and coins. Draw a flow chart to show the separation process.
Is it possible to separate sugar mixed with wheat flour? If yes, how will you do it?
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Match the following
| 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 |
| 4. | Separation of butter from curds | d. | Filtration |
Match the mixtures in column I with their method of separation in column II.
| 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 |
| (e) | Rice flour mixed with kidney beans | (v) | Evaporation |
