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प्रश्न
Why do solids, liquids and gases differ in their physical states?
उत्तर
- Intermolecular force of attraction.
- Intermolecular spaces are two important properties of matter that account for the different states of matter.
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संबंधित प्रश्न
How a liquid changes into its gaseous state ? Explain ?
Write whether the following statement are true or false.
There is no difference between evaporation and boiling.
Write true or false for the following statement
The inter-molecular forces are effective at all distances between the two molecules.
Describe a simple experiment to illustrate the existence of inter-molecular spacing.
Match the following
| Column A | Column B |
| (a) Solids | (i) Can flow in all directions |
| (b) Sublimation | (ii) The temperature at which a liquid changes into its gaseous state. |
| (c) Boiling point | (iii) Any number of free surfaces. |
| (d) Gases | (iv) Gaps between particles. |
| (e) Intermolecular space | (v) Changes of state from solid to gas. |
Multiple choice question.
Which one is a kind of matter:
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All kinds of matter
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Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
