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प्रश्न
Define matter
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उत्तर
Anything that has mass and occupies space is called matter.
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संबंधित प्रश्न
Water at 100°C has more heat than the steam at 100°C.
Write true or false for the following statement
In a gas, the molecules can move anywhere in space.
Explain the change of a solid into a liquid at a constant temperature.
Why do solids, liquids, and gases differ in their physical states?
Fill in the blank
When a gas is cooled, its molecules .............. energy.
Write whether the following statement is true or false.
The intermolecular force of attraction is the weakest in gases.
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.
Formation of water vapour from water.
Name the phenomenon which cause the following change.
Conversion of water into steam.
Match the arrangement of atoms in the three states of matter in List I with the correct state in List II.
| List I | List II |
| 1. Arrangement of atoms is far apart | A: Solids |
| 2. Force of attraction between atoms is very strong | B: Liquids |
| 3. Movement of atoms is in any random direction | C: Gases |
| 4. Particles diffuse very easily | |
| 5. Particles show movement about their own position |
