EASY
9th CBSE
IMPORTANT
Earn 100

Why are we able to sip hot tea or milk faster from a saucer rather than a cup?

Important Questions on Matter in Our Surroundings

EASY
9th CBSE
IMPORTANT
Give a reason why the gas fills completely the vessel in which it is kept?
MEDIUM
9th CBSE
IMPORTANT
Why do we see water droplets on the outer surface of a glass containing ice-cold water?
EASY
9th CBSE
IMPORTANT
Why should we wear cotton clothes in summer?
MEDIUM
9th CBSE
IMPORTANT
Why does a desert cooler cool better on a hot dry day?
EASY
9th CBSE
IMPORTANT

Differentiate between solids, liquids and gases with respect to 

(a) Fluidity                               

(b) Kinetic energy

(c) Density                                 

(d) Shape

(e) Rigidity                               

 ( f) Compressibility

MEDIUM
9th CBSE
IMPORTANT
How evaporation differs from boiling?
EASY
9th CBSE
IMPORTANT
Differentiate between gas and vapour?
MEDIUM
9th CBSE
IMPORTANT
What are the characteristics of particles of matter?