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प्रश्न
Define: Solid
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उत्तर
Solid: A solid is that state of matter which has a fixed shape, mass and volume. It suffers very small changes in volume by changing the temperature. It can not be compressed,
e.g. – Sand, Wood, Copper, Ice, etc.
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संबंधित प्रश्न
Write your observation and conclusion for the following:
Ice is kept at room temperature.
Under what conditions do solids, liquids and gases change their state.
Write whether the following statement are true or false.
All solids, on heating, first change to the liquid and then to the gaseous state always.
Give two examples for the following :
Substances that are rigid and not compressible.
A substance which can change its state
Write true or false for the following statement
The inter-molecular forces are effective at all distances between the two molecules.
Define Matter.
Match the column.
| Column A | Column B |
| 1. iron and gold | a. molecules are very far apart |
| 2. melting | b. pure substance |
| 3. intermolecular space | c. non-metals |
| 4. compound | d. the space between the molecules |
| 5. gases | e. changes from solid to liquid |
| f. metals |
Write a scientific reason.
Lemon sherbat has a sweet, sour and salty taste and it can be poured in a glass.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
