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प्रश्न
Define the following term Intermolecular force .
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उत्तर
Intermolecular force — The force of attraction between the molecules of a given substance is called intermolecular force.
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संबंधित प्रश्न
Give reasons for the following observation:
The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close.
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.
Give reason:
Why do liquids and gases flow but solids do not ?
Write whether the following statement is true or false.
The intermolecular force of attraction is the weakest in gases.
For the following statement, say whether it describe a solid, a liquid or a gas.
Particles are quite close together.
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions.
Write your observation and conclusion for the following,
When a small stone is gently dipped into a glass filled with water.
Which single term is used to describe the mixing of copper sulphate and water kept in a beaker, on its own?
Which one of the following statements is not true?
- the molecules in a solid vibrate about a fixed position
- the molecules in a liquid are arranged in a regular pattern
- the molecules in a gas exert negligibly small forces on each other, except during collisions
- the molecules of a gas occupy all the space available
Fill in the blank:
The intermolecular force of attraction is ___________ in solids.
