how POP is manufactured & what are it properties and uses
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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. 1)It is a white powder. 2)It has a very remarkable property of setting into a hard mass on wetting with water.
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