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प्रश्न
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.
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उत्तर
This shows that gases can fill up all the space that they get, and they have neither a fixed shape nor a fixed volume. They have no free surfaces, either.
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संबंधित प्रश्न
How will you prove by an experiment that solids occupy space ?
Give reason:
Why do liquids and gases flow but solids do not ?
Name the phenomenon which cause the following change:
Formation of water vapour from water.
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The physical state of a substance, which has a fixed volume but no fixed shape is _______
What is meant by 'diffusion'? Give one example of diffusion in gases.
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State in which of the following examples ie. a piece of wood, water, light gas is the Inter-particle attraction maximum.
