EASY
9th CBSE
IMPORTANT
Earn 100

What is the normal room temperature?

Important Questions on Matter in Our Surroundings

EASY
9th CBSE
IMPORTANT

Can Kelvin scale have negative temperatures?

EASY
9th CBSE
IMPORTANT
What is the relation between Kelvin scale and Celsius scale?
EASY
9th CBSE
IMPORTANT

Can one state of the matter be converted into other states of matter?

MEDIUM
9th CBSE
IMPORTANT

What is the physical state of water at 0°C, 100°C and 25°C?

EASY
9th CBSE
IMPORTANT

What is melting point?

EASY
9th CBSE
IMPORTANT

What is the usual name for the following?

Heat required to change the state of a substance without changing the temperature.

EASY
9th CBSE
IMPORTANT
Define freezing point.
EASY
9th CBSE
IMPORTANT

Define boiling point.