HARD
8th Andhra Pradesh Board
IMPORTANT
Earn 100

Is there any change in mass when a substance changes its state? Explain with an example.

Important Questions on Matter Around Us

HARD
8th Andhra Pradesh Board
IMPORTANT
Do all substances change from solid to liquid and liquid to gas on heating? Explain.
EASY
8th Andhra Pradesh Board
IMPORTANT
Define melting point.
EASY
8th Andhra Pradesh Board
IMPORTANT
Define boiling point.
EASY
8th Andhra Pradesh Board
IMPORTANT
Define evaporation.
EASY
8th Andhra Pradesh Board
IMPORTANT

Correct the following statement:

Water boils at 100 °C under atmospheric pressure.

MEDIUM
8th Andhra Pradesh Board
IMPORTANT

Correct the following statement:

A liquid evaporates above its boiling point.

MEDIUM
8th Andhra Pradesh Board
IMPORTANT

Correct the following statement:

Solids have the largest inter-particle space.

MEDIUM
8th Andhra Pradesh Board
IMPORTANT

Correct the following statement:

Gases have the strongest inter-particle forces.