MEDIUM
9th CBSE
IMPORTANT
Earn 100

Why does the temperature of a substance remain constant during the change of state?

Important Questions on Matter in Our Surroundings

MEDIUM
9th CBSE
IMPORTANT

What is the physical state of water at 0°C ?

MEDIUM
9th CBSE
IMPORTANT
What is the physical state of water at 25°C?
EASY
9th CBSE
IMPORTANT
What is the physical state of water at 100°C?
EASY
9th CBSE
IMPORTANT
What is the physical state of water at 250°C?
MEDIUM
9th CBSE
IMPORTANT
Explain why there is no rise in temperature of a substance when it undergoes a change of state though heat is supplied continuously.
EASY
9th CBSE
IMPORTANT
Define ‘melting point’ of a substance? What is the melting point of ice?
MEDIUM
9th CBSE
IMPORTANT
Define ‘boiling point’ of a substance? What is the boiling point of water?