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What is plaster of paris chemically how is it obtained from gypsum write the condition and chemicalequation invalved in its manufacture? |
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Answer» PLASTER of paris is obtained by adding water to gypsum , the chemical eq is - CaSO4.1/2H2O + 1+1/2 H2O -> CaSO4.2H20 when it is thermal decomposed it BREAKS into gypsum and water molecule CaSO4.2H2O + heat -> CaSO4.1/2H2O+ H20^ (plaster of paris)(AQ) (gypsum) (gas) |
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