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प्रश्न
Fill in the blank
The molecular motion in liquid and gas is in ................. path.
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उत्तर
The molecular motion in liquid and gas is in zig-zag path.
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संबंधित प्रश्न
The process of a gas converting directly into solid is called vaporization.
Select the correct alternative
The solids are
Distinguish between solids, liquids, and gases on the basis of their following properties :
(a) compressibility
(b) fluidity
(c) rigidity
(d) expansion on heating
What do you mean by the change of state of matter?
Give two examples for of the following
Substances which do not change their states.
Differentiate between living and non-living matter.
Fill in the blank with the correct word Given below.
Brownian movement is maximum in ____.
State the property of the following substance.
Sulphur is a yellow amorphous powder insoluble in water.
Match the arrangement of atoms in the three states of matter in List I with the correct state in List II.
| List I | List II |
| 1. Arrangement of atoms is far apart | A: Solids |
| 2. Force of attraction between atoms is very strong | B: Liquids |
| 3. Movement of atoms is in any random direction | C: Gases |
| 4. Particles diffuse very easily | |
| 5. Particles show movement about their own position |
Define the term ‘Liquefaction of gases’.
