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प्रश्न
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.
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उत्तर
Solids: Common salt, Wax, Stone, Sugar, Coal, Butter, Copper.
Liquids: Milk, Mercury, Blood, Coconut, oil, Kerosene.
Gases: Oxygen, Water, vapour, Carbon-dioxide.
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संबंधित प्रश्न
.............. process is just reverse of melting.
Fill in the blank
The inter-molecular forces are the weakest in ...............
Why do solids, liquids, and gases differ in their physical states?
Give reason :
Why do liquids and gases flow but solids do not?
Fill in the blank
The physical state of a substance, which has a fixed volume but no fixed shape is ...............
Write whether the following statement is true or false.
Only water can exist in three different states.
Name the phenomenon which cause the following change.
Conversion of water into steam.
The molecules move only within the boundary of
Fill in the blank with the correct word Given below.
Brownian movement is maximum in ____.
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 |
