The continuous movement of particles in both gases and liquids is also called Brownian motion after a Botanist named……...
a) Robert Brown
b) Robert Koch
c) Fredrick Brawny
d) Robert Hill
Explanation:Brownian motionis the random, uncontrolled movement of particles in a fluid as they constantly collide with other molecules
Diffusion:
Diffusion is defined as the movement of
individual molecules of a substance through a semipermeable barrier from an
area of higher concentration to an area of lower concentration.
Which of the
following particles can easily move from one place to another place?
a) solid
b) liquid
c) gas
d) both b and c
The phenomenon of particles moving from an higher concentration to lower concentration is called………
a) diffusion
b) solvation
c) effusion
d) all of these
Which of the following particles can diffuse from one place to another place?
a) solid
b) liquid
c) gas
d) both b and c
Why the aroma of the food fades away as we move away from the place where it is being cooked?
a) it is due to diffusion
b) it is due to solubility
c) it is due to effusion
d) it is due to high boiling point
