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प्रश्न
What are the three states of matter ? Define each of them with two examples.
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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 matter.
Define of Brownian motion.
Define matter.
Define the following term.
Intermolecular force
Give reason:
A gas fills up the space available to it.
Give reason:
Liquids have definite volume but no difinite shape.
Differentiate between the following.
Liquids and gases
Fill in the blank:
Molecules in a.............. are packed very closely.
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 a solid With special reference to inter-particle space & interparticle attraction at the different stages of conversion.
