1.

Which of the following salt becomes plaster of paris on being appropriately hydrated

Answer»

`ZnCO_(3)`
`CaSO_(4)`
`MgSO_(4)`
`CaCO_(3)`

Solution :`UNDERSET("Gypsum") (CasO_(4).2H_(2)O)overset(120^(@)C)to underset("Plaster of paris")(CaSO_(4).1/2 H_(2)O) + 1.1/2 H_(2)O`


Discussion

No Comment Found