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प्रश्न
What do you mean by the change of state of matter?
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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
What is meant by the intermolecular forces of attraction? How do they vary in solids, liquids and gases?
Fill in the blank
In a solid, the molecules ............................................ but they remain at their fixed positions.
What happens when a solid is heated?
Give a reason for the Liquids can flow easily.
Give reason :
Liquids have a definite volume but no definite shape.
Fill in the blank
Liquids have a definite ............
Write true or false for the statement. Rewrite the false statement correctly.
The intermolecular space in a gas is almost negligible.
Name the phenomenon which cause the following change.
Conversion of water into steam.
Fill in the blanks:
Water is a matter because it has ______ and occupies ______.
For removing grains from stalks, the ______ method is used.
