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प्रश्न
Why do solids, liquids, and gases differ in their physical states?
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उत्तर
1. The intermolecular force of attraction.
2. Intermolecular spaces are two important properties of matter that account for the different states of matter.
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संबंधित प्रश्न
Evaporation takes place over the entire mass of the liquid.
The process of a gas converting directly into solid is called vaporization.
.............. process is just reverse of melting.
Classify the following into solids, liquids, and gases. Oxygen, milk, common salt, wax, stone, water vapour, carbon-dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
Write true or false for the statement. Rewrite the false statement correctly.
Solids can be compressed easily.
For the following statement, say whether it describes a solid, a liquid, or a gas.
Particles are quite close together.
Give two examples for of the following
Substances which do not change their states.
Multiple choice question.
Gases
Match the following
| Column A | Column B | ||
| a | Solids | 1 | Can flow in all directions |
| b | Sublimination | 2 | The temperature at which a liquid changes into its gaseous state |
| c | Boiling Point | 3 | Can have any number of free surfaces |
| d | Gases | 4 | Gaps between particles |
| e | Intermolecular space | 5 | Change of state from solid to gas |
State what would you observe if
(a) sugar is added to pebbles take in a plastic beaker
(b) sand is added to glass balls in a beaker. What would you conclude from this imaginative demonstration?
