heya guys,
this is shruti
answer this...
how is gypsum prepared?
and what happens when plaster of paris is kept open for sometime?
and what is the chemical formula of plaster of paris?
Nitishkr:
Gypsum also precipitates onto brackish water membranes, a phenomenon known as mineral salt scaling, such as during brackish water desalination of water with high concentrations of calcium and sulfate. ... transformation of bassanite into gypsum.
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laster of paris is calcium sulphate hemihydrate.
The chemical formula of Plaster of paris is CaSO4·½H2O
It is known as P.O.P.
Preparation
It is prepared from gypsum.
Gypsum is calcium sulphate dihydrate. The chemical formula of gypsum is CaSO4·2H2O
Plaster of paris is prepared by heating gypsum to a temperature of 373K.When gypsum is heated to a temperature of 373k ,It loses three-Fourths of its water of crystallisation and forms plaster of paris.
The chemical formula of Plaster of paris is CaSO4·½H2O
It is known as P.O.P.
Preparation
It is prepared from gypsum.
Gypsum is calcium sulphate dihydrate. The chemical formula of gypsum is CaSO4·2H2O
Plaster of paris is prepared by heating gypsum to a temperature of 373K.When gypsum is heated to a temperature of 373k ,It loses three-Fourths of its water of crystallisation and forms plaster of paris.
thnks
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