Advertisements
Advertisements
Question
Differentiate between melting point and boiling point, giving atleast one example of each.
Advertisements
Solution
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
RELATED QUESTIONS
Boiling takes place from the
Explain the term vaporization.
A liquid can change into vapour state at a fixed temperature.
Describe an experiment to demonstrate that water absorbs heat during boiling at a constant temperature.
State the boiling point of water.
Boiling of egg results in ______ change.
What is the physical state of water at 100°C.
Water into steam on heating is called freezing.
____________ is the change of solid state directly to vapour state without going through the ____________ state.
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.
