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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
Give reason:
A red ink drop added to small amount of water in a glass turns water red in some time.
Write whether the following statement is true or false.
Only water can exist in three different states.
Write whether the following statement is true or false.
Intermolecular force of attraction is greater in gases than in liquids.
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions.
Name the phenomenon which cause the following change:
Formation of water vapour from water.
If an object weighs 6 N on earth what will be its weight on moon. What will be the change in its mass?
Give reason:
A drop of ink added to water in a glass turns whole water blue.
Give reason of A gas fills up the space available to it.
State in which of the three states of matter:
The force of attraction between the particles is very weak.
Complete the blank with reference to interconversion of matter on the basis of kinetic theory-with the word ‘increase’, ‘decreases’, ‘gain’, ‘lose’, or ‘overcome’ in the following case.
During sublimation, the inter-particle attraction is _______________.
