Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
The temperature of both boiling water and steam is 100°C but steam has more energy because of latent heat of vaporisation. Hence, steam is hotter than boiling water.
APPEARS IN
संबंधित प्रश्न
Rapid conversion of water into steam is an example of
Differentiate between melting point and boiling point, giving atleast one example of each.
State the boiling point of water.
It is difficult to cook vegetables on hills and mountains. Explain the reason.
A pressure cooker is based on the principle that boiling point of water increases with the ______.
The boiling point of water is defined as ______.
What is the physical state of water at 100°C.
By the process of Heating of water, ______ is obtained.
Choose the correct statement of the following
____________ is the change of solid state directly to vapour state without going through the ____________ state.
