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प्रश्न
Name the phenomenon which causes the Formation of water vapour from water is
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उत्तर
Formation of water vapour from water is vaporation.
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संबंधित प्रश्न
Classify the following into solid, liquid and gas:
Coal, kerosene, wood, oxygen, sugar, blood, water vapour, milk, wax.
For the following statements, say whether it describes a solid, a liquid or a gas.
Particles are far apart and move in all directions
Gases
Name the smallest particle from which matter is made up.
Fill in the blank
The molecules are at a greater distance in ........ compared to liquids.
Fill in the blank
Matter is anything that has .......... and occupies ...........
Write true or false for the statement. Rewrite the false statement correctly.
Solids and liquids can flow.
Match the following
| Column A | Column B |
| (a) Solids | (i) Can flow in all directions |
| (b) Sublimation | (ii) The temperature at which a liquid changes into its gaseous state. |
| (c) Boiling point | (iii) Any number of free surfaces. |
| (d) Gases | (iv) Gaps between particles. |
| (e) Intermolecular space | (v) Changes of state from solid to gas. |
Multiple choice question.
Which one is a kind of 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 'Y' | A: Liquefaction |
| 2. Liquid 'Y' to its vapour 'Z' | B: Vaporization |
| 3. 'Z' to 'Y' | C: Melting |
| 4. 'Y' to 'X' | D: Solidification |
| 5. The temperature at which 'Y' changes to 'Z' | E: Melting Point |
| F: Boiling point |
