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प्रश्न
Choose the correct statement of the following
विकल्प
conversion of solid into vapours without passing through the liquid state is called sublimation.
conversion of vapours into solid without passing through the liquid state is called vapourisation.
conversion of vapours into solid without passing through the liquid state is called freezing.
conversion of solid into liquid is called sublimation.
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उत्तर
conversion of vapours into solid without passing through the liquid state is called vapourisation.
undergoing in liquid state is called sublimation. The conversion of liquid into gas (vapour) is called vaporisation. The conversion of liquid into solid is called freezing. The conversion of solid into liquid is called melting.
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संबंधित प्रश्न
Explain the term vaporization.
State the boiling point of water.
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 |
Boiling of egg results in ______ change.
By the process of Heating of water, ______ is obtained.
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?
Evaporation of a liquid at room temperature leads to a ____________ effect.
Alka was making tea in a kettle. Suddenly she felt intense heat from the puff of steam gushing out of the spout of the kettle. She wondered whether the temperature of the steam was higher than that of the water boiling in the kettle. Comment.
Conversion of solid to vapour is called sublimation. Name the term used to denote the conversion of vapour to solid.
Explain the terms boiling.
