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प्रश्न
Write whether the following statement is true or false
All solids, on heating, first change to the liquid and then to the gaseous state always.
विकल्प
True
False
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उत्तर
False
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संबंधित प्रश्न
The process of a gas converting directly into solid is called vaporization.
Distinguish between the three states of matter—solid, liquid, and gas on the basis of their molecular models
Define interconversion of states of matter.
Give two examples for of the following
Substances which do not change their states.
Differentiate between living and non-living matter.
All kinds of matter
State the property of the following substance.
Sulphur is a yellow amorphous powder insoluble in water.
Match the arrangement of atoms in the three states of matter in List I with the correct state in List II.
| List I | List II |
| 1. Arrangement of atoms is far apart | A: Solids |
| 2. Force of attraction between atoms is very strong | B: Liquids |
| 3. Movement of atoms is in any random direction | C: Gases |
| 4. Particles diffuse very easily | |
| 5. Particles show movement about their own position |
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 |
What are the similarities between a gas and a liquid?
