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प्रश्न
State the term which refers to the conversion of a substance on heating from.
- solid-state to liquid state
- liquid state to vapour state
- vapour state to liquid state
- liquid state to solid-state.
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उत्तर
The terms which refer to the conversion of a substance are:
- Melting
- Vaporisation
- Liquefaction
- Solidification
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संबंधित प्रश्न
Fill in the blank:
The temperature at which a liquid starts changing into its vapour state is ______.
Fill in the blank:
Liquids have no definite ............
Write true or false for statement. Rewrite the false statement correctly.
Solids and liquids can flow.
Give reason:
A drop of ink added to water in a glass turns whole water blue.
State two characteristics of matter demonstrated by diffusion.
In which of the following conditions, the distance between the molecules of hydrogen gas would increase?
- increasing pressure on hydrogen contained in a closed container
- some hydrogen gas leaking out of the container
- increasing the volume of the container of hydrogen gas
- adding more hydrogen gas to the container without increasing the volume of the container
Give reasons for the following:
Solids have a definite shape and are highly rigid while gases have to definite shape and are least rigid.
Fill in the blank with the correct word Given below.
The space between atoms’ [molecules] of solids is ____
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to compressibility.
Describe simple experiment to show that particles of matter are closely packed in solids and less in liquids.
