What is plaster of paris? How is it parpared? Give its any two importa

1.	What is plaster of paris? How is it parpared? Give its any two important uses.
Answer» Solution :Plaster of PARIS is ` CaSO_(4) (1)/(2) H_(2) O`. It is prepared by heating gypsum at 373 K. `CaSO_(4). 2H_(2) O underset(373 K)overset("heat")(to) CaSO_(4) (1)/(2) H_(2)O + (3)/(2) H_(2)O` uses: (i) It is used for MANUFACTURE of STATUS. (ii) It is used for FILLING gaps before white washing.

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