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प्रश्न
Fill in the blank
In a solid, the molecules ............................................ but they remain at their fixed positions.
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उत्तर
In a solid, the molecules vibrate on either side but they remain at their fixed positions.
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संबंधित प्रश्न
Ice melts at 100°C.
Evaporation takes place over the entire mass of the liquid.
.............. process is just reverse of melting.
Fill in the blank
A solid is ............ rigid.
A gas has neither a definite volume nor a definite shape. Describe the molecular model to explain it.
Classify the following into solids, liquids, and gases. Oxygen, milk, common salt, wax, stone, water vapour, carbon-dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
What are the two conditions for the interconversion of states of matter?
Write true or false for the statement. Rewrite the false statement correctly.
If the intermolecular space is more than the intermolecular force will be weaker.
Fill in the blank with the correct word Given below.
From the three states of matter, _____ expand the least.
Match the characteristics of the three states of matter in List I with their correct answer from List II.
| List I | List II |
| 1. Are highly rigid and have a definite shape | A: Solids and gases only |
| 2. Have no definite shape | B: Solids only |
| 3. Have definite volume but no definite shape | C: Liquids and gases only |
| 4. Are highly compressible and least rigid | D: Gases only |
| 5. Have no definite volume | E: Solid, liquids and gases |
| 6. Have no definite shape and volume |
F: liquids only |
| 7. Occupy space | G: Solids and liquids only |
| 8. Are not compressible | |
| 9. Are slightly compressible | |
| 10. Have mass |
