Plaster of Paris is used for making toys, materials for decorationand for making surfaces smooth. Try to find out why is calcium sulphatehemihydrate called ‘Plaster of Paris’calcium sulphate hemihydrate called plaster of paris
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when gypsum is heat about 120 to 180 degree celsius to form pop this gypsum is also referred as calcium sulphate hemihydrated so when pop is formed by gypsum i,e calcium sulphate hemi....
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extensively used in paris
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