Answers

2015-10-09T10:45:47+05:30
P.O.P or Plaster of Paris is formed by heating gypsum to about 150 °C
Plaster of Paris is
CaSO4·0.5H2O.

The chemical reaction involved is:
CaSO4·2H2O + heat → CaSO4·0.5H2O + 1.5H2O

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