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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 matter.
Define of Intermolecular space.
What happens when a solid is heated ?
Give reason for the following.
Liquids can flow easily.
Give reason:
A gas fills up the space available to it.
Fill in the blank:
The molecules are at a greater distance in ............. compared to liquids.
Which one is a kind of matter:
- light
- petroleum
- sound
- heat
With reference to inter-conversion of matter – on the basis of kinetic theory – explain in brief the conversion of A solid into a liquid 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 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 A liquid into a solid With special reference to inter-particle space & interparticle attraction at the different stages of conversion.
