identify the compound of calcium which is used for plastering of fractured bones. with the help of chemical equation, describe how this compound is prepared. what special precaution shoukd be taken during the preparation of this compound
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Chemical formula of Plaster of Paris.
CaSO₄. 1/2 H₂O
Preparation :
On heating Gypsum at 373 K Plaster of Paris is formed.
CaSO₄. 2 H₂O ⇒ CaSO₄. 1/2 H₂O + 3/2 H₂O
Special precaution :
We shouldn't heat gypsum above 373 K else it will not form.
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