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प्रश्न
Multiple choice question.
The process by which a solid changes into a liquid is called
विकल्प
Freezing
melting
condensation
evaporation
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उत्तर
melting
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संबंधित प्रश्न
At high altitudes, water boils above 100° C.
Discuss the three states of matter solid, liquids and gas on the basis of molecular model.
Fill in the blank
The molecular motion in liquid and gas is in ................. path.
What do you mean by the change of state of matter?
For the following statement, say whether it describes a solid, a liquid, or a gas.
Particles are quite close together.
Give two examples for of the following
Substances which sublime.
Fill in the blank with the correct word Given below.
Matter can change from one state to another by the change in ____
State the property of the following substance.
Sulphur is a yellow amorphous powder insoluble in water.
Match the characteristics of the three states of matter in List I with their correct answer from List II.
| List I | List II |
| 1. Are highly rigid and have a definite shape | A: Solids and gases only |
| 2. Have no definite shape | B: Solids only |
| 3. Have definite volume but no definite shape | C: Liquids and gases only |
| 4. Are highly compressible and least rigid | D: Gases only |
| 5. Have no definite volume | E: Solid, liquids and gases |
| 6. Have no definite shape and volume |
F: liquids only |
| 7. Occupy space | G: Solids and liquids only |
| 8. Are not compressible | |
| 9. Are slightly compressible | |
| 10. Have mass |
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 |
