1.

Which of the following salt becomes plaster of paris on being appropriately hydrated [CPMT 1985]

A. \[ZnC{{O}_{3}}\]
B. \[CaS{{O}_{4}}\]
C. \[MgS{{O}_{4}}\]
D. \[CaC{{O}_{3}}\]
Answer» C. \[MgS{{O}_{4}}\]


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