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प्रश्न
Name the process which can be used to recover salt from an aqueous salt solution.
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उत्तर
Evaporation can be used to obtain salt from an aqueous salt solution.
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संबंधित प्रश्न
Intermolecular force of attraction is maximum in ............ less in .......... and the least in .............
Name the processes involved in two cases.
Define the following term of Atom .
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Liquids have a definite ______
When extremely small particles X derived from the anther of a flower were suspended in a liquid Y and observed through a microscope, it was found that the particles X were moving throughout the liquid Y in a very zig-zag way. It was also observed that warmer the liquid Y, faster the particles X moved on its surface.
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- What is the zig-zag movement of X known as ?
- What is causing the zig-zag movement of particles X ?
- Name the scientist who discovered this phenomenon.
- What does this experiment tell us about the nature of liquid Y?
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- which is lustrous
- which is required for combustion
- whose one of the allotrophic forms is a good conductor of electricity. Name the allotrope.
- other than carbon which shows allotropy
- which is known to form the largest number of compounds
What are the three general classes of matter ? Give one example of each type.
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- Name the three groups into which all the substances like Y are divided on the basis of their properties.
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Bread is an example of solid foam.
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Name the different types of solutions. Give one example of each.
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