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प्रश्न
Define interconversion of states of matter. What are the two factors responsible for the change of states of matter?
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उत्तर
The process by which matter changes from one state to another and back to original state, without any change in its chemical composition is called interconversion state of matter.
Two factors responsible for change of state of matter are: change in
(1) Temperature (2) Pressure
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संबंधित प्रश्न
What are the characteristics of particles of matter?
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. |
Name the phenomenon which cause the following change:
Formation of water vapour from water.
What is mass ?
Give reason of We can walk through air.
Write whether the following statement are true or false.
The intermolecular force of attraction is the weakest in gases.
Even two or three crystals of potassium permanganate can impart colour to a very large volume of water. Which characteristic of particles of matter is illustrated by this observation?
Explain the following :
When an incense stick is lighted in the corner of a room, its fragrance spreads quickly in the entire room.
Define the Solid and give two examples.
A crystal of iodine is placed in a closed flat bottom flask and heated. State how you would conclude from the observations seen, that interparticle space is minimum in solids and maximum in gases.
