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Plaster of paris on losing water and gai...

Plaster of paris on losing water and gaining water gives `A` and `b`. Identify `A` and `B`.

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A: `CaSO_(4)`
B : `CaSO_(4)2H_(2)O`
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FIITJEE-PREPARATION AND PROPERTIES OF COMPOUNDS AND GENERAL DISCUSSION OF S-AND P-BLOCK ELEMENTS-Exercise
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