Question
Wed February 18, 2009 By: Namrata Priyadarshini

question

Expert Reply
Fri February 20, 2009

When gypsum is heated it gets converted into plaster of paris as per following chemical equation:

2 CaSO4·2H2O → 2 CaSO4·0.5H2O + 3 H2O (released as steam).

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