Question

what is gypsum all
questions of gypsum

Answer 1

Gypsum is caso4.2h20 It's calsium sulphate dihydrate It is used for preparation of plaster of Paris.  It is heated to get plaster of Paris having formula caso4 .1/2 h2o

Answer 2

gypsum(Caso4.2H2o) is a soft sulphate mineral.
it is widely mined and used as a fertiliser.
it is also used as a main constituent in plaster and chalk.

Hope it helps:-