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प्रश्न
Define the following term of Molecule .
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उत्तर
Molecule — A molecule is a smallest part of a compound that exists independently.
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संबंधित प्रश्न
Fill in the blank:
The temperature at which a liquid starts changing into its vapour state is ______.
What are fluids ? Give two examples.
Match the columns.
| (1) iron and gold | (a) molecules are very far apart |
| (2) melting | (b) pure substance |
| (3) intermolecular space | (c) non - metals |
| (4) compound | (d) the space between the molecules |
| (5) gases | (e) change from solid to liquid |
| (f) metals |
Fill in the blank :
Air is a matter because it has ________ and _______ and it can be _________
What is the relation between intermolecular space and intermolecular force ?
Give reason
When an empty gas jar is inverted over a gas jar containing a coloured gas, the gas also spreads into the empty jar.
Which of the following statement is incorrect?
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to free diffusion.
Air is not compressible.
The Cow and Birds are nonliving things.
