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प्रश्न
Discuss briefly on three states of matter.
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उत्तर
The matter is anything that has mass and occupies space. Matter can exist in three states: Solid, liquid, and gas.
- Solid: In solids, molecules are very closely packed, solids are incompressible. They have a definite shape, size, and volume.
Eg: Table, Book, Metals. - Liquid: In liquids, molecules are loosely packed. Hence, liquids are ineligibly compressible. They have a definite volume but no definite shape and size.
Eg: Water, Milk, Petrol - Gas: In gases, molecules are very loosely poked. Hence gases are highly compressible.
Eg: Air, LPG, Oxygen.
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संबंधित प्रश्न
Name the smallest particle from which matter is made up.
Give one difference between atoms and molecules.
Give reasons
The odour of scent spreads in a room.
Fill in the blanks:
Any matter which has a definite ______ but no definite shape is called a ______.
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are quite close together
Describe simple experiments to prove that solids have a definite volume
State the property of the following substance.
Manganese dioxide, a catalyst which alters the rate of a chemical reaction is black in colour.
Which of the following is a solid?
Particles in solids are free to move.
Complete the given analogy.
Solid: Rigidity:: Gas: ______
