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प्रश्न
Give two example of the following:
The substances which sublime.
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उत्तर
Camphor, iodine, naphthalene, ammonium chloride, dry ice (solid carbon dioxide), etc.
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संबंधित प्रश्न
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Atom
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Write whether the following statement is true or false.
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Write whether the following statement is true or false.
A gas has no free surface.
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Give reason of Why do liquids and gases flow but solids do not ?
Give reason of We can walk through air.
Give an experiment to explain that there are intermolecular spaces between water molecules.
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When a beam of sunlight enters a room through a window, we can see tiny particles X suspended in a gas (or rather a mixture of gases) Y which are moving rapidly in a very haphazard manner.
- What could particles X be ?
- Name the gas (or mixture of gases) Y.
- What is the phenomenon exhibited by particles X known as ?
- What is causing the movement of particles X ?
- What conclusion does the existence of this phenomenon give us about the nature of matter ?
