RRB RPF RPSF SI and CONS Model Papers 7 with solutions

(2) In physics, a state of matter is one of the distinct forms that matter takes on. Four states of matter are observable in everyday life : solid, liquid, gas, and plasma. Colloidal state is not considered as a state of matter. It is a type of dispersed system, so that means it has a phase, which is a liquid in most cases, with small insoluble particles dispersed in that phase.