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How is plaster of Paris manufactured ? M...

How is plaster of Paris manufactured ? Mention its applications.

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When gypsum is heated over a long period of time it partially loses its water of crystallization and plaster of Paris `(CaSO_(4).1//2 H_(2)O)` is obtained.
It is applied on the body parts to set fractured bones properly. It is also used for casting statues, toys and decorative materials. Modern black board chalks and ceiling panels are also made from plaster of Paris.
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