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प्रश्न
State two characteristics of matter demonstrated by diffusion.
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उत्तर
The characteristics of matter demonstrated by diffusion are :
- Matter is made up of tiny particles.
- The particles of matter have large space in between them.
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संबंधित प्रश्न
Give two example of the following:
The substances which sublime.
Write whether the following statement is true or false.
The intermolecular force of attraction is the weakest in gases.
Match the following
| Column A | Column B |
| (a) Solids | (1) Can flow in all directions. |
| (b) Sublimation | (2) The temperature at which a liquid changes into its gaseous state. |
| (c) Boiling point | (3) Any number of free surfaces. |
| (d) Gases | (4) Gaps between particles. |
| (e) Intermolecular space | ro(5) Change of state fm solid to gas. |
Gases
- cannot be compressed easily,
- occupy the entire space of the container.
- have definite shapes.
- cannot flow.
Write whether the following statement are true or false.
The intermolecular force of attraction is the weakest in gases.
Write whether the following statement are true or false.
Intermolecular force of attraction is greater in gases than in liquids.
Explain why, we can easily move our hand in air but to do the same through a plank of wood, we need a karate expert.
In which of the following conditions, the distance between the molecules of hydrogen gas would increase?
- increasing pressure on hydrogen contained in a closed container
- some hydrogen gas leaking out of the container
- increasing the volume of the container of hydrogen gas
- adding more hydrogen gas to the container without increasing the volume of the container
What are the two conditions for the interconversion of states of matter?
Give the reason for the following
Particles of matter move more rapidly on the application of heat.
