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प्रश्न
Evaporation takes place over the entire mass of the liquid.
विकल्प
True
False
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उत्तर
False
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संबंधित प्रश्न
Evaporation of a liquid causes cooling.
State three properties of molecules of a matter.
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?
Fill in the blank
Water boils at .............
For the following statement, say whether it describes a solid, a liquid, or a gas.
Particles are far apart and move in all directions.
Give two examples for of the following
Substances which sublime.
Give two examples for each type of matter
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 |
State the property of the following substance.
Sulphur is a yellow amorphous powder insoluble in water.
