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प्रश्न
What happens when a solid is heated ?
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उत्तर
When a solid is heated, its molecules gain energy and vibrate faster. A stage comes when they overcome intermolecular force of attraction and start moving from each other. This results in melting of solid.
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संबंधित प्रश्न
Gases
- cannot be compressed easily,
- occupy the entire space of the container.
- have definite shapes.
- cannot flow.
Give reason of Liquids have definite volume but no difinite shape.
The state of matter which has no definite shape or volume is called
There are large intermolecular gaps in
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
Complete the statement given below by selecting the correct word.
The space between atoms in gases is maximum while in ____ is minimum,
Give a reason why –
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200 ml of water is poured into a bowl of 400 ml capacity. The volume of water will be ______.
Match the following.
| Property | Example |
| Breaks easily (Brittle) | Metal pan |
| Bends readily | Rubber band |
| Can be stretched easily | Cotton wool |
| Gets compressed easily | Mud pot |
| Gets heated readily | Plastic wire |
Mr. Raghu returns home on a hot summer day and wants to have buttermilk. Mrs. Raghu has the only curd. What can she do to get buttermilk? Explain
