Dye present in an ink can be separated by …………..
A) distillation
B) evaporation
C) fractional distillation
D) paper chromatography
1 Answers
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Which type of impure liquids can be purified by the process of distillation?
Distillation technique can be employed for the purification of : volatile liquids from non-volatile impurities. liquids having sufficient difference in their boiling point.
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What is the advantage of fractional distillation over simple distillation?
If in a mixture, the difference in boiling points of two liquids is not appreciable/large, they cannot be separated using simple distillation. To separate such liquids, fractional distillation is used.
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Give two examples of a mixture that can be separated by fractional distillation.
1. Mixture of acetone (b.p. 329 K) and methyl alcohol (b.p. 337.7 K) 2. Mixture of acetone (b.p. 329 K) and benzene (b.p. 353 K)
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Coloured pigments in plants can be separated by ……………….. A) distillation
D) paper chromatography
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Kerosene and water are separated by …………. A) Distillation
B) Separating funnel
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Ink is mixture of ……………. in water. A) dye
Correct option is A) dye
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Ink is a mixture of a dye in water. We can separate the components in the ink using evaporation. The correct observation in the experiment is
Correct option is (A) i and ii Ink is a mixture of dye in water. We can separate the components in the ink. Using evaporation water in ink is evaporated thus...
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Ink is a mixture of a dye in water. We can separate the components in the ink using evaporation. The correct observation in the experiment is
2 Answers
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Ink is a mixture of a dye in water. We can separate the components in the ink using evaporation. The correct observation in the experiment is
2 Answers
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An ink pen, with a cylindrical barrel of diameter `2cm` and height `10.5 cm,` and completely filled with ink, can be used to write `4950` words. How m
Correct Answer - B (i) `1 ml =1 cm^(3)`. (iii) Find the number of words per 1 ml of ink.
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