Fill in the following blanks with suitable words :
(a) The best evidence that particles of matter are constantly moving comes from the studies of ______and___
(b) The smell of perfume gradually spreads across a room due to ___
(c) Solid, liquid and gas are the three ___of matter.
(d) At room temperature, the forces of attraction between the paricles of solid substances are ___then those wchich exist in the gaseous state.
(e) The arrangement of particles is less orderd in the ___state . However, there is no order in the ___ state.