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प्रश्न
Fill in the blank:
The change of water vapour into water is called ......................
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उत्तर
The change of water vapour into water is called condensation.
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संबंधित प्रश्न
What are fluids ? Give two examples.
Fill in the blank:
Liquids have no definite ............
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles move about very quickly.
Name the phenomenon which cause the following change:
Formation of water vapour from water.
Fill in the blank :
Air is a matter because it has ________ and _______ and it can be _________
If an object weighs 6 kg on earth. What will be its weight on moon ?
In which of the following conditions, the distance between the molecules of hydrogen gas would increase?
- increasing pressure on hydrogen contained in a closed container
- some hydrogen gas leaking out of the container
- increasing the volume of the container of hydrogen gas
- adding more hydrogen gas to the container without increasing the volume of the container
Give a reason why –
Solids have a definite volume & a definite shape.
In which of the three states of matter – solids, liquids, or gases is the movement of atoms about their own position. Give a reason for the same.
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 _______________.
