what is plaster of paries
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Gypsum is a crystalline mineral of hydrated calcium sulphate (chemical formula CaSO4. ... A mixture of gypsum and water can be poured; the gypsum hardens as the water evaporates. In art gypsum is mainly used in the partly dehydrated form of plaster of Paris (2CaSO4.
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Chandrajit:
Nice one
Gypsum= CaSO4
yes i know that
Gypsum is caSO4.2H2O
So
Half molecule of that
tq
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When it is heated at 373k then plaster of paris formed
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it is caso4.1/2h2o mixture of calcium sulfate and water
Right
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