(a) List two factors that can affect the rate of diffusion (b) State two examples...
PHYSICS
WAEC 2007
(a) List two factors that can affect the rate of diffusion
(b) State two examples to illustrate the effects of surface tension.
Explanation
(a) Factors that can affect the rate of diffusion are:
— Mass — Temperature — Density.
(b) Effects of surface tension are:
— needle gently placed on the surface of water floats
— water skaters are able to walk on the surface of water
— spilled mercury forms spherical droplets
— soap bubbles are spherical in shape.
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