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प्रश्न
Name the three states of matter.
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उत्तर
The three states of matter are solids, liquids, and gases.
Solids: A solid has a definite shape and definite volume.
Example: wood, stone, iron, ice, etc
Liquid: A liquid has a definite volume but no definite shape.
Example: water, juice, milk, oil, etc.
Gases: A gas neither has definite shape nor a definite volume.
Example: air, hydrogen, oxygen, water vapour, etc.
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संबंधित प्रश्न
What is meant by the intermolecular forces of attraction? How do they vary in solids, liquids and gases?
Give a reason for the Liquids can flow easily.
Give a reason for the Pure substances have fixed melting or boiling points.
Give reason :
Liquids have a definite volume but no definite shape.
For the following statement, say whether it describes a solid, a liquid, or a gas.
Particles are quite close together.
Define matter
Select natural and man-made matter from the following list:
Wood, plastic, silk, medicines, detergents, coal, water, ceramic, cotton, glass, nylon, fruits.
Name the three states of matter and define them.
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 |
What are the similarities between a gas and a liquid?
