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प्रश्न
Write whether the following statement is true or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Water evaporates only at 100°C.
The melting point of ice is 0°C.
A gas has neither a definite volume nor a definite shape. Describe the molecular model to explain it.
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.
Fill in the blank
......... can flow.
Give two examples for of the following
Substances which sublime.
Give two examples for each type of matter
Which one is a kind of matter
All kinds 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 '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 |
