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प्रश्न
Give reason :
A gas fills up the space available to it.
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उत्तर
Intermolecular force of attraction is least and intermolecular spaces are very large, hence gases can fill up the space available to them.
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संबंधित प्रश्न
Classify the following into solid, liquid and gas:
Coal, kerosene, wood, oxygen, sugar, blood, water vapour, milk, wax.
Why do solids, liquids and gases differ in their physical states?
Differentiate between the following.
Atoms and Molecules .
Select the correct alternative
The diameter of a molecule is approximately
Fill in the blank
Molecules in a ............ are packed very closely.
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Matter is anything that has .......... and occupies ...........
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. |
Identify the odd term out and explain.
Give a reason for the following:
An empty tumbler lowered into a glass beaker containing water, on tilting shows bubbles of air coming out, but when not tilted, no bubbles are seen.
Write scientific reason.
Lemon sherbat has a sweet, sour and salty taste and it can be poured in a glass.
