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प्रश्न
What are the three states of matter ? Define each of them with two examples.
उत्तर
The three states of matter are solids, liquids and gases :
- Solids - A solid has a definite shape and definite volume.
Example – wood, stone, iron, ice etc. - Liquid - A liquid has a definite volume but not definite shape.
Example - water, juice, milk, oil, etc. - Gases - A gas neither has definite shape nor a definite volume.
Example - air, hydrogen, oxygen, watervapour etc.
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संबंधित प्रश्न
Define of intermolecular force of attraction.
Define of Diffusion.
What are molecules ?
Define the following term.
Intermolecular force
Give reason:
We can walk through air.
Differentiate between the following.
Atoms and molecules
Write true or false for statement. Rewrite the false statement correctly.
Matter cannot exist in different states.
Write true or false for statement. Rewrite the false statement correctly.
The intermolecular space in a gas is almost negligible.
With reference to inter-conversion of matter – on the basis of kinetic theory – explain in brief the conversion of A liquid into vapour [or gas] With special reference to inter-particle space & interparticle attraction at the different stages of conversion.
With reference to inter-conversion of matter – on the basis of kinetic theory – explain in brief the conversion of Vapour [or gas] into a liquid With special reference to inter-particle space & interparticle attraction at the different stages of conversion.
