(a) State three postulates of the kinetic theory
(b) Name the process involved in the;
(i) spread of the smell of a perfume across a room
(ii) decrease in the yellow of a liquid after exposure in an open vessel.
(a)(i) Particles of matter are in constant or continuous motion
(ii) The particles move randomly in straight lines and colliding with one another
(iii) The forces of attraction or repulsion are negligible
(b)(i) Diffusion (ii) Evaporation.
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