MEDIUM
8th ICSE
IMPORTANT
Earn 100

Differentiate between melting point and boiling point, giving atleast one example of each.

Important Questions on Matter

MEDIUM
8th ICSE
IMPORTANT
Describe the process of condensation and sublimation with examples.
EASY
8th ICSE
IMPORTANT
Explain the terms melting and melting point.
HARD
8th ICSE
IMPORTANT
Describe an experiment to demonstrate that a substance absorbs heat during melting without change in its temperature.
EASY
8th ICSE
IMPORTANT
Explain the terms vaporization and boiling point.
EASY
8th ICSE
IMPORTANT
A liquid can change into vapour state at a fixed temperature. Name the process involved in the above case.
EASY
8th ICSE
IMPORTANT
A liquid can change into a vapour state at all temperatures. Name the processes involved in the above case.

(Deposition/Evaporation)

MEDIUM
8th ICSE
IMPORTANT

Some ice is taken in a beaker and its temperature is recorded after each one minute. The observations are listed below :

Time (in minute) Temperature (in °C)
0 0
1 0
2 0
3 0
4 0
5 0
6 3.8
7 7.6
8 11.4

From the above observations what conclusion do you draw about the melting point of ice ?
MEDIUM
8th ICSE
IMPORTANT
Describe an experiment to demonstrate that water absorbs heat during boiling at a constant temperature.