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प्रश्न
What difference in the property of two miscible liquids enables their separation by fractional distillation ?
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उत्तर
The property that enables the separation of two miscible liquids by fractional distillation is the difference in their boiling points.
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संबंधित प्रश्न
Name the processes involved in two cases.
Which of the following materials fall in the category of a “pure substance”?
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- Iron
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- Calcium oxide
- Mercury
- Brick
- Wood
- Air
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- maximum interparticle attractions ?
- minimum spaces between particles ?
What are the characteristics of matter?
What is meant by saying that metals are lustrous ?
Which one of the following is not a metalloid ?
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- What type of substance could Y be ? Name one substance like Y.
- What type of substance could Z be ? Name one substance like Z.
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- Name the three groups into which all the substances like Y are divided on the basis of their properties.
Which of the following contains less solute at a given temperature and pressure ? Unsaturated solution or Saturated solution.
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Which of the following represents the solubility of sugar in water at 20°C ?
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How did she identify what she needed?
Matter is made up of ______.
The non S I and S I units of some physical quantities are given in column A and column B respectively. Match the units belonging to the same physical quantity:
| (A) | (B) | ||
| (a) | degree celsius | (i) | kilogram |
| (b) | centimetre | (ii) | pascal |
| (c) | gram per centimetre cube | (iii) | metre |
| (d) | bar | (iv) | kelvin |
| (e) | milligram | (v) | kilogram per metre cube |
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Gases do not diffuse very easily.
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