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प्रश्न
Name the phenomenon which causes the Disappearance of camphor is
उत्तर
Disappearance of camphor is sublimation.
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संबंधित प्रश्न
For the following statements, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions
The process by which a solid change into a liquid is called
Define Matter.
Give reason :
A gas fills up the space available to it.
Give reason :
The odour of scent spreads in a room.
Solids retain their volume even when external pressure is applied. This property is called ______.
Write a scientific reason.
Hydrogen is combustible, oxygen helps combustion, but water helps to extinguish fire.
Particles of matter possess energy due to their random motion. Compare the particles in a solid, liquid and in gas with reference to the amount of kinetic energy possessed by each.
State the correct term from A, B, C, D, E or F in List II which represents the – change of state of matter or its relevant property from List I
List I | List II |
1. Solid 'X' to a liquid 'Y' | A: Liquefaction |
2. Liquid 'Y' to its vapour 'Z' | B: Vaporization |
3. 'Z' to 'Y' | C: Melting |
4. 'Y' to 'X' | D: Solidification |
5. The temperature at which 'Y' changes to 'Z' | E: Melting Point |
F: Boiling point |
Write scientific reason.
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