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प्रश्न
What do you mean by the change of state of matter?
उत्तर
The change in the state of matter of a substance from solid to liquid or from liquid to gas is brought by imparting heat energy to it at a constant temperature.
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संबंधित प्रश्न
The temperature of a substance remains unaffected during its change of state.
Boiling takes place at all temperatures.
Evaporation takes place over the entire mass of the liquid.
What happens when a solid is heated?
Fill in the blank
Liquids have a definite ............
Fill in the blank
When a gas is cooled, its molecules .............. energy.
For the following statement, say whether it describes a solid, a liquid, or a gas.
Particles move about very quickly.
Name the phenomenon which cause the following change.
Conversion of water into steam.
Give two examples for each type of matter
Explain the term ‘matter'
