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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
Name the three states of matter and define them.
Give two examples of the following:
Substances which do not change their states.
There are large intermolecular gaps in
- water
- iron ball
- common salt
- air
The process by which a solid changes into a liquid is called
- freezing
- melting
- condensation
- evaporation
Why liquids do not have a definite shape ?
Give reasons for the following:
A bottle of perfume on opening evolves an odour which can be sensed over a long distance.
Define the Gas and give two examples.
Describe simple experiment to show that particles of matter are closely packed in solids and less in liquids.
Explain the term ‘interconversion of matter’ with ice as a starting material.
Mention any two characteristics of the particles of matter.
