HARD
8th ICSE
IMPORTANT
Earn 100

Describe an experiment to demonstrate the process of sublimation.

Important Questions on Matter

EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 1 - Matter>TEST YOURSELF>Q A
The temperature of a substance remains unaffected during its change of state.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 1 - Matter>TEST YOURSELF>Q A
Ice melts at 100°C.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 1 - Matter>TEST YOURSELF>Q A
The process of a gas converting directly into solid is called vaporization.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 1 - Matter>TEST YOURSELF>Q A
At high altitudes water boils above 100° C.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 1 - Matter>TEST YOURSELF>Q A
The melting point of ice is 0°C.
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 1 - Matter>TEST YOURSELF>Q A
_____ process is just reverse of melting. (Deposition/Freezing)
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 1 - Matter>TEST YOURSELF>Q A
_____ is a process that involves direct conversion of a solid into its vapour on heating. (Freezing/Sublimation)
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 1 - Matter>TEST YOURSELF>Q A
The smallest unit of matter that exists freely in nature is called a _____. (quark/molecule)