Subject :NSO Class : Class 9
Select the incorrect statement(s).
I. Rapid formation and breaking of
bubbles in the bulk of a liquid being
heated is called evaporation.
II. The spreading out and mixing of a
substance with another substance
due to motion of its particles is called
diffusion.
III. Petrol evaporates faster than water
because interparticle forces are
stronger in water.
IV. Ice-cream feels colder than ice cold
water because of latent heat of fusion.
A I and IV only
B I only
C II, III and IV only
D III and IV only