Question

what is dispersed phase and dispersion medium of pumice stone​

Answer 1

Answer:

dispersed phase gas and dispersion medium solid

it formed during vocanic eruptions .

its porous nature is due to

when lava escapes from vocanos then there is a sudden change of pressure condition and rapid cooling which decrease solubility of co2 present and it exsole( general term used in chemistry it similar as in case of soda bottles)

it early used by chinese in medicines

it important for water filteration ,horticulture and fashnable items.

it found globally mainly italy and turkey

others countries are

greece,iran,chile,syria

its colour is pale yellow ranging from white red ,blue or grey ,to green brown or black.