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प्रश्न
Differentiate between melting point and boiling point, giving atleast one example of each.
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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
Explain the terms boiling point.
State the boiling point of water.
The boiling point of water is defined as ______.
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?
Conversion of solid to vapour is called sublimation. Name the term used to denote the conversion of vapour to solid.
Explain the terms boiling.
