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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?
Give reasons:
A gas can fill the whole vessel in which it is enclosed.
When sodium chloride is added to a definite volume of water and stirred well, a solution is formed, but there is no increase in the level of water. Why?
Write true or false for statement. Rewrite the false statement correctly.
Solids and liquids can flow.
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. |
Fill in the blank :
Air is a matter because it has ________ and _______ and it can be _________
Fill in the blank with the correct word Given below.
The space between atoms’ [molecules] of solids is ____
Give a reason why:
Gases have no definite volume and no definite shape.
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.
Air is not compressible.
