what is the preparation of plaster of Paris
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CaSO4.1/2 H2O + 1 1/2 H2O ---------> CaSO4.2H2O
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sureshsharma4084:
wrong answer
it is the preparation of gypsum
not POP
POP = CaSO4.1/2H2O
edit your answer by reversing the chemical equation
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Plaster of paris, quick-setting gypsum plaster consisting of a fine white powder (calcium sulfate hemihydrate), which hardens when moistened and allowed to dry. ... Plaster of paris is prepared by heating calcium sulfate dihydrate, or gypsum, to 120–180 °C (248–356 °F).
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