MEDIUM
9th CBSE
IMPORTANT
Earn 100

How can the evaporation of a liquid be made faster?

Important Questions on Matter in Our Surroundings

HARD
9th CBSE
IMPORTANT

What is evaporation? State the various factors which affect evaporation.

MEDIUM
9th CBSE
IMPORTANT
Which of the following are also considered to be the states of matter?
(i) Plasma
(ii) Platelets
(iii) BEC
(iv) BHC
MEDIUM
9th CBSE
IMPORTANT
One of the following does not undergo sublimation. This one is: 
MEDIUM
9th CBSE
IMPORTANT
Which of the following process/processes release heat?
(i) condensation
(ii) vaporization
(iii) freezing
(iv) melting
HARD
9th CBSE
IMPORTANT
If the temperature of an object is 268 K, it will be equivalent to:
MEDIUM
9th CBSE
IMPORTANT
The boiling point of ethane is, -88 °C. This temperature will be equivalent to:
HARD
9th CBSE
IMPORTANT
When heat is constantly supplied by a gas burner with a small flame to melt ice, then the temperature of ice during melting: