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प्रश्न
Fill in the following blank with suitable words :
The smell of perfume gradually spreads across a room due to .....................
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उत्तर
The smell of perfume gradually spreads across a room due to diffusion.
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संबंधित प्रश्न
What are fluids ? Give two examples.
Fill in the blank :
Air is a matter because it has ________ and _______ and it can be _________
Write whether the following statement are true or false.
Intermolecular force of attraction is greater in gases than in liquids.
What are the two conditions for the interconversion of states of matter?
Give reasons for the following:
A bottle of perfume on opening evolves an odour which can be sensed over a long distance.
Each of the three states of matter has mass. Explain with the help simple experiments – that each state of matter has mass.
Describe simple experiment to show that particles of matter are closely packed in solids and less in liquids.
200 ml of water is poured into a bowl of 400 ml capacity. The volume of water will be ______.
Among the following ______ is not a mixture.
Water obtained from tube wells is usually ______ water.
