EASY
8th ICSE
IMPORTANT
Earn 100

Explain the terms vaporization and boiling point.

Important Questions on Matter

EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 1 - Matter>TEST YOURSELF>Q B
A liquid can change into vapour state at a fixed temperature. Name the process involved in the above case.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 1 - Matter>TEST YOURSELF>Q B
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
Concise Physics Middle School for Class 8>Chapter 1 - Matter>TEST YOURSELF>Q B

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
Concise Physics Middle School for Class 8>Chapter 1 - Matter>TEST YOURSELF>Q B
Describe an experiment to demonstrate that water absorbs heat during boiling at a constant temperature.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 1 - Matter>TEST YOURSELF>Q B
State the melting point of ice.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 1 - Matter>TEST YOURSELF>Q B
State the boiling point of water.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 1 - Matter>TEST YOURSELF>Q B
What is evaporation ?
MEDIUM
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 1 - Matter>TEST YOURSELF>Q B
State three factors which affect the rate of evaporation of a liquid.