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Questions
Write the preparation of the following compound with balanced chemical equation:
Plaster of Paris
Write the chemical equation of preparation of Plaster of Paris.
Chemical Equations/Structures
Short Answer
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Solution
Plaster of Paris is a hemihydrate of calcium sulphate, CaSO4 . H2O. It is obtained by heating gypsum at 393 K.
\[\ce{\underset{\text{Gypsum}}{2CaSO4.2H2O_{(s)}} ->[\Delta] \underset{\text{Plaster of Paris}}{2CaSO4.H2O} + 3H2O}\]
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Notes
Students should refer to the answer according to their questions.
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2025-2026 (March) 31/3/2
