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प्रश्न
Give reasons for the following:
A bottle of perfume on opening evolves an odour which can be sensed over a long distance.
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उत्तर
A bottle of perfume on opening evolves an odour because gases diffuse very easily and odour spreads over a large distance.
संबंधित प्रश्न
Give reasons:
Solids cannot be compressed.
Water cycle is an example of inter conversion of states of water. Explain.
Fill in the blank:
Water is a matter because it has mas and occupies....................
Which of the following is a property of the liquids ?
- they can flow
- they are malleable
- they have a definite shape
- they are rigid
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Air is a matter because it has ________ and _______ and it can be _________
Give reason of We can walk through air.
Write whether the following statement are true or false.
The intermolecular force of attraction is the weakest in gases.
There are large intermolecular gaps in
Mr. Raghu returns home on a hot summer day and wants to have buttermilk. Mrs. Raghu has the only curd. What can she do to get buttermilk? Explain
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