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प्रश्न
Give the reason for the following
Particles of matter move more rapidly on the application of heat.
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उत्तर
Application of force increases the K.E. of particles and space increases and inter-particle attraction decreases. Thus particles move rapidly.
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संबंधित प्रश्न
How will you prove by an experiment that solids occupy space ?
Write whether the following statement is true or false.
A gas has no free surface.
All kinds of matter
- occupy space and have definite mass
- have mass and definite shape
- can change their states
- have definite volume
Which of the following is a property of the liquids ?
- they can flow
- they are malleable
- they have a definite shape
- they are rigid
Define the following term of Molecule .
Give reason
When an empty gas jar is inverted over a gas jar containing a coloured gas, the gas also spreads into the empty jar.
Which one of the following statements is not true?
- the molecules in a solid vibrate about a fixed position
- the molecules in a liquid are arranged in a regular pattern
- the molecules in a gas exert negligibly small forces on each other, except during collisions
- the molecules of a gas occupy all the space available
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to volume.
Give a reason why –
Liquids have a definite volume but no definite shape.
State in which of the following examples ie. a piece of wood, water, light gas is the Inter-particle attraction maximum.
