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प्रश्न
Water evaporates only at 100°C.
पर्याय
True
False
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उत्तर
False .
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संबंधित प्रश्न
State three properties of molecules of a matter.
Describe the molecular model for a liquid. I-low does it explain that a liquid has no definite shape, but has a definite Volume?
Explain the change of a solid into a liquid at a constant temperature.
Define interconversion of states of matter.
Why liquids do not have definite shape?
Write whether the following statement is true or false.
The intermolecular force of attraction is the weakest in gases.
Write true or false for the statement. Rewrite the false statement correctly.
If the intermolecular space is more than the intermolecular force will be weaker.
State the property of the following substance.
Sulphur is a yellow amorphous powder insoluble in water.
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?
