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प्रश्न
The boiling points of diethyl ether, acetone and n-butyl alcohol are 35°C, 56°C and 118°C respectively. Which one of the following correctly represents their boiling points in kelvin scale?
पर्याय
306 K, 329 K, 391 K
308 K, 329 K, 392 K
308 K, 329 K, 391 K
329 K, 392 K, 308 K
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उत्तर
308 K, 329 K, 391 K
35°C = 273 + 35 = 308 K
56°C = 273 + 56 = 329 K
118°C = 273 + 118 = 391 K
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संबंधित प्रश्न
Explain the term vaporization.
A certain quantity of water is heated from 20°C to 100°C. Its temperature is recorded after each 1 minute. The observations are:
| Time (in minute) | Temperature (in °C) |
| 0 | 20 |
| 1 | 30 |
| 2 | 40 |
| 3 | 50 |
| 4 | 60 |
| 5 | 70 |
| 6 | 80 |
| 7 | 90 |
| 8 | 100 |
| 9 | 100 |
| 10 | 100 |
| 11 | 100 |
| 12 | 100 |
The boiling point of water is defined as ______.
Boiling of egg results in ______ change.
Water into steam on heating is called freezing.
Which condition out of the following will increase the evaporation of water?
Evaporation of a liquid at room temperature leads to a ____________ effect.
____________ is the change of solid state directly to vapour state without going through the ____________ state.
Conversion of solid to vapour is called sublimation. Name the term used to denote the conversion of vapour to solid.
Assertion (A): No-new substance is formed when water is heated to get steam.
Reason (R): Conversion of water into steam is a physical change.
