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प्रश्न
____________ is the change of solid state directly to vapour state without going through the ____________ state.
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उत्तर
Sublimation is the change of solid state directly to vapour state without going through the liquid state.
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संबंधित प्रश्न
The temperature at which a liquid gets converted into its vapour state is called its
Assertion: The process of conversion of liquid water to its vapours by heating the liquid is called boiling.
Reason: The process of conversion of water vapours to liquid by cooling the vapours is called condensation.
What is the physical state of water at 100°C.
Choose the correct statement of the following
Which condition out of the following will increase the evaporation of water?
A sample of water under study was found to boil at 102°C at normal temperature and pressure. Is the water pure? Will this water freeze at 0°C? Comment.
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.
Why does the temperature of a substance remain constant during its melting point or boiling point?
Explain the terms boiling.
