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प्रश्न
Differentiate between melting point and boiling point, giving atleast one example of each.
उत्तर
MELTING POINT:
The temperature at which a solid starts changing into LIQUID without further increase in temperature is called MELTING POINT.” Or The constant temperature at which solid changes into liquid.”
Example: Ice (solid) melts at 0°C into water (liquid) when heated.
BOILING POINT :
“The temperature at which a LIQUID start changing in vapour without a further rise in temperature.
Or
‘The constant temperature at which a LIQUID starts changing into GAS (vapours)
Example: Boiling point of water (liquid) is 100°C.
APPEARS IN
संबंधित प्रश्न
The temperature at which a liquid gets converted into its vapour state is called its
Rapid conversion of water into steam is an example of
Explain the terms vaporization.
Describe an experiment to demonstrate that water absorbs heat during boiling at a constant temperature.
Choose the correct statement of the following
Which condition out of the following will increase the evaporation of water?
____________ is the change of solid state directly to vapour state without going through the ____________ state.
Conversion of solid to vapour is called sublimation. Name the term used to denote the conversion of vapour to solid.
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.
A liquid changes into a gas at a constant temperature known as its ______.
