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प्रश्न
Give two examples for of the following
Substances which do not change their states.
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उत्तर
Paper, sugar.
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संबंधित प्रश्न
Fill in the blank
The inter-molecular spacing is .......... in solids ........... in liquids and ............... in gases.
Fill in the blank
A solid is ............ rigid.
Fill in the blank
Any matter which has a definite ................. but no definite shape is called a ...............
Write whether the following statement is true or false.
The intermolecular force of attraction is the weakest in gases.
What is meant by the inter-molecular forces of attraction ?
Give two examples for each type of matter
One kind of matter can be distinguished from another by its physical properties and chemical properties.
State the property of the following substance.
Hydrogen sulphide gas has a strong rotten egg odour.
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 |
Gas like the state of Matter that exists at extremely cold temperatures used in the field of cryogenics.
