| 1. | Chromatography is used to separate |
| a. | solution |
| b. | mixtures |
| c. | molecules |
| d. | atoms |
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Answer: (b).mixtures
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| 2. | Process used to separate insoluble particles from liquids is |
| a. | drying |
| b. | filtration |
| c. | sieving |
| d. | extraction |
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Answer: (b).filtration
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| 3. | Most common example of extraction is with help of |
| a. | Ether |
| b. | alcohol |
| c. | benzene |
| d. | chloroform |
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Answer: (a).Ether
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| 4. | If tip of funnel touches side of beaker it avoids |
| a. | splashing |
| b. | bubbling |
| c. | bumping |
| d. | backflow |
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Answer: (a).splashing
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| 5. | One of most common solvent used for crystallization is |
| a. | water |
| b. | syrup |
| c. | normal saline |
| d. | sulphuric acid |
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Answer: (a).water
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