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प्रश्न
Ice melts at 100°C.
विकल्प
True
False
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उत्तर
False.
The ice melts at 0° by absorption of heat.
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संबंधित प्रश्न
Evaporation takes place over the entire mass of the liquid.
At high altitudes, water boils above 100° C.
.............. process is just reverse of melting.
Describe the molecular model for a liquid. I-low does it explain that a liquid has no definite shape, but has a definite Volume?
Why do solids, liquids, and gases differ in their physical states?
Why liquids do not have definite shape?
For the following statement, say whether it describes a solid, a liquid, or a gas.
Particles are quite close together.
The molecules move only within the boundary of
Name the three states of matter and define them.
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 |
