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प्रश्न
Give reason We need to classify things .
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उत्तर
We need to classify things in order to distinguish them. In this way, things can be categorized and can be easily studied.
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संबंधित प्रश्न
Water cycle is an example of inter conversion of states of water. Explain.
True or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
Select the correct alternative
The diameter of a molecule is approximately
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Define Intermodular space.
Define Molecule.
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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.
Give a reason for the following:
An empty tumbler lowered into a glass beaker containing water, on tilting shows bubbles of air coming out, but when not tilted, no bubbles are seen.
Write scientific reason.
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