A) In surgery and dentistry
B) As a white wash
C) As a constituent of tooth paste
D) For the preparation of RCC
Correct Answer: A
Solution :
Plaster of paris \[[{{(CaS{{O}_{4}})}_{2}}{{H}_{2}}O]\] is used in surgery for setting of bones, dentistry and manufacturing of statues. It is prepared as follows, \[2CaS{{O}_{4}}.2{{H}_{2}}O\xrightarrow{125{}^\circ C}\underset{\text{Plaster of paris}}{\mathop{{{(CaS{{O}_{4}})}_{2}}.{{H}_{2}}O}}\,+3{{H}_{2}}O\]
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