HARD
9th CBSE
IMPORTANT
Earn 100

Discuss the effect of increasing temperature and pressure on the liquid state of a substance. Are these effects similar? If not, assign reasons.

Important Questions on Matter in Our Surroundings
HARD
9th CBSE
IMPORTANT
The three states of a substance i.e. solid, liquid and gas can be easily reversed. Explain.

MEDIUM
9th CBSE
IMPORTANT
What is evaporation? In what way is it different from boiling?

HARD
9th CBSE
IMPORTANT
Discuss the various factors which influence evaporation.

HARD
9th CBSE
IMPORTANT
What is sublimation? How is naphthalene sublimated? How does the process of sublimation help in purifying an impure sample?
