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प्रश्न
Name the smallest particle from which matter is made up.
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उत्तर
The smallest particle from which matter is made up is atom.
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संबंधित प्रश्न
Why do solids, liquids and gases differ in their physical state?
Write true or false for each statement. Rewrite the false statement correctly.
The intermolecular space in a gas is almost negligible.
Give two examples for the following :
Substances which do not change their states.
Describe a simple experiment to illustrate the existence of inter-molecular spacing.
Define Intermodular space.
Define Molecule.
Differentiate between the following:
Atoms and molecules
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. |
Write scientific reason.
A solid matter has the properties of definite shape and volume.
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, very closely packed | A: Solids |
| 2. Interparticle space is maximum | B: Liquids |
| 3. Force of attraction between particles is very weak | C: Gases |
| 4. Movement of particles is about their own position | |
| 5. Particles in the state of matter are slightly compressible and not closely packed. |
