a compound which is prepared from gypsum has a property of hardening when mixed with the proper quantity of water identify the compound and write its chemical formula at the chemical equation for its preparation mention any one use of the compound
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The compound is Calcium Hemihydrate or Plaster of Paris(CaSO4 . 1/2 H2O)
∆
CaSO4.2H2O----------->CaSO4.1/2H2O+3/2H2O
(gypsum). 373K. (Plaster of Paris)
Gypsum is heated in 373K without the presence of water.By dehydration gypsum looses 3/2 molecules of water to form plaster of paris
Use:-
•It is used by doctors for joining fractured bones at right position
•It is also used for making decorative pieces,statues...
Hope this answer helps you....
∆
CaSO4.2H2O----------->CaSO4.1/2H2O+3/2H2O
(gypsum). 373K. (Plaster of Paris)
Gypsum is heated in 373K without the presence of water.By dehydration gypsum looses 3/2 molecules of water to form plaster of paris
Use:-
•It is used by doctors for joining fractured bones at right position
•It is also used for making decorative pieces,statues...
Hope this answer helps you....
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