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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
Evaporation of a liquid causes cooling.
.............. process is just reverse of melting.
State three characteristics of molecules of matter.
How do the solids, liquids, and gases differ in their following properties.
(a) Size
(b) Shape
(c) Density
Write down five general properties of solids, liquids, and gases.
Distinguish between solids, liquids, and gases on the basis of their following properties :
(a) compressibility
(b) fluidity
(c) rigidity
(d) expansion on heating
Why do solids, liquids, and gases differ in their physical states?
Write true or false for the statement. Rewrite the false statement correctly.
Solids can be compressed easily.
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 |
One kind of matter can be distinguished from another by its physical properties and chemical properties.
