What is the chemical formula of ‘plaster of paris’? How is it manufactured? What precaution is taken during its manufacture?
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the chemical formula for plaster of Paris is CaSO4.1/2H2O
gypsum is heated to get plaster of Paris and H2O
(CaSO4.2H2O on heating gives CaSO4.1/2H2O + 1 1/2 H2O){ gypsum has 2 molecules of h2O and plaster of Paris has half and the water as result has 1 and 1/2 }
plaster of Paris should be kept in a moisture proof container...
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