Question

What is the use of caso4 1/2 h2 o

Answer 1

Hey people,

Calcium sulphate hemihydrate (CaSO₄.1 /2 H₂0) forms a paste when plaster of paris is mixed with water that soon turns into a solid which is used to make casts, molds and sculptures et cetera.

Hope, this helps :)

Answer 2

CaSO4 + H2O -》CaO +SO2 +H2SO4 +H2