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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
Define the following term.
Element
Fill in the blank :
Air is a matter because it has ________ and _______ and it can be _________
If an object is taken to the moon from the earth what will be its mass ?
What is the relation between intermolecular space and intermolecular force ?
Write your observation and conclusion for the following,
When a small stone is gently dipped into a glass filled with water.
Write whether the following statement are true or false.
Intermolecular force of attraction is greater in gases than in liquids.
When sugar is dissolved in water, there is no increase in the volume. Which characteristic of matter is illustrated by this observation?
On what basis are the three states classified of matter.
State in which of the three states of matter:
Are the atoms or particles far apart
A crystal of iodine is placed in a closed flat bottom flask and heated. State how you would conclude from the observations seen, that interparticle space is minimum in solids and maximum in gases.
