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प्रश्न
Explain the term vaporization.
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उत्तर
“Change of liquid to vapours (gas) on heating at constant temperature is called VAPORIZATION.”
When we heat a liquid, the temperature starts rising till it starts changing into vapours, and then the temperature remains constant for some time, though we are supplying heat. This heat supplied is being used to change every molecule of liquid into vapours and temperature does not rise till the whole of liquid is changed into vapours.
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संबंधित प्रश्न
Boiling takes place from the
Differentiate between melting point and boiling point, giving atleast one example of each.
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.
Water into steam on heating is called freezing.
Choose the correct statement of the following
Which condition out of the following will increase the evaporation of water?
Why does the temperature of a substance remain constant during its melting point or boiling point?
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.
Explain the terms boiling.
