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प्रश्न
Define: Solid
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उत्तर
Solid: A solid is that state of matter which has a fixed shape, mass and volume. It suffers very small changes in volume by changing the temperature. It can not be compressed,
e.g. – Sand, Wood, Copper, Ice, etc.
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संबंधित प्रश्न
Differentiate between the following.
Atoms and Molecules .
Match the following columns
| Column A | Column B | ||
| A. | A molecule is composed of | i. | does not exist free in nature. |
| B. | Ice, water and water vapour | ii. | can vibrate only up to about `10^-10`m from their mean position. |
| C. | An atom | iii. | atoms. |
| D. | Gases | iv. | are the three states of water. |
| E. | The molecules of a solid | v. | occupy space |
One litre of water has 6.02 × 1026 molecules. Estimate the size of a molecule.
Give reason :
When an empty gas jar is inverted over a gas jar containing a coloured gas, the gas also spreads into the empty jar.
The intermolecular force is _______ in the particles of solid.
Identify the odd term out and explain.
Gold, silver, copper, brass
Describe simple experiment to show that particles of matter have the intermolecular attraction
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. |
Write scientific reason.
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.
