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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