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प्रश्न
Select the correct alternative
The solids are
विकल्प
more dense
less dense
least dense
highly compressible
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उत्तर
more dense
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संबंधित प्रश्न
State three properties of molecules of a matter.
Write true or false for the following statement
In a gas, the molecules can move anywhere in space.
Fill in the blank
The inter-molecular spacing is .......... in solids ........... in liquids and ............... in gases.
Fill in the blank
A solid exerts pressure .....................
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 :
Liquids have a definite volume but no definite shape.
Give two examples for of the following
Substances which do not change their states.
Explain the term ‘matter'
State the correct term from A, B, C, D, E, or F in List II which represents the change of state of matter or its relevant property from List I.
| List I | List II |
| 1. Solid 'X' to a Liquid 'X' | A: Condensation |
| 2. Liquid 'Y' to its vapour 'Z' | B: Vaporization |
| 3. 'Z' to 'Y' | C: Melting |
| 4. 'Y' to 'X' | D: Freezing |
| 5. The temperature at which 'Y' changes to 'Z' | E: Melting point |
| F: Boiling point |
For removing grains from stalks, the ______ method is used.
