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प्रश्न
Explain the term ‘matter'
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उत्तर
The matter is the basic substance of which all materials are made of.
संबंधित प्रश्न
The temperature of a substance remains unaffected during its change of state.
Distinguish between solids, liquids, and gases on the basis of their following properties :
(a) compressibility
(b) fluidity
(c) rigidity
(d) expansion on heating
Describe the molecular model for a liquid. I-low does it explain that a liquid has no definite shape, but has a definite Volume?
What do you mean by the change of state of matter?
How a liquid changes into its gaseous state? Explain?
Differentiate between the following:
Liquids and gases
Write whether the following statement is true or false.
The intermolecular force of attraction is the weakest in gases.
For the following statement, say whether it describes a solid, a liquid, or a gas.
Particles move about very quickly.
What is meant by the inter-molecular forces of attraction ?
Match the following
| Column A | Column B | ||
| a | Solids | 1 | Can flow in all directions |
| b | Sublimination | 2 | The temperature at which a liquid changes into its gaseous state |
| c | Boiling Point | 3 | Can have any number of free surfaces |
| d | Gases | 4 | Gaps between particles |
| e | Intermolecular space | 5 | Change of state from solid to gas |
