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प्रश्न
Draw a labelled schematic diagram representing the terms (a) to (e) involved in the inter-conversion of matter.
उत्तर
(a) Melting
(b) Vaporisation
(c) Liquefaction or condensation
(d) Solidification or freezing
(e) Sublimation
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संबंधित प्रश्न
Name one common substance which can be easily changed from one state to another by heating or cooling.
How is ammonia gas liquefied ?
Define the term 'latent heat of vaporisation' of a liquid. What is the value of the latent heat of vaporisation of water ?
When heat is constantly supplied by a burner to boiling water, then the temperature of water during vaporisation :
When water is cooled to a temperature x, it gets converted into ice at temperature x by a process called P. And when ice at temperature x is warmed, it gets reconverted into water at the same temperature x in a process called Q.
- What is the value of temperature x in Kelvin ?
- What is the process P known as ?
- What is the name of energy released during process P ?
- What is the process Q known as ?
- What is the name of energy absorbed during process Q ?
Define the following terms: Melting point
Give reasons:
Why a solid does not flow, but a liquid flows?
Fill in the blanks:
The molecules are at a greater distance in ______ compared to liquids.
Explain the term condensation
Give the reason for the following
Solids cannot be compressed, but gases are highly compressible.
