A) Anhydrous \[CaS{{O}_{4}}\]
B) Dead burnt plaster
C) \[CaS{{O}_{4}}\cdot 5{{H}_{2}}O\]
D) \[CaS{{O}_{4}}\cdot 0.5{{H}_{2}}O\]
Correct Answer: D
Solution :
[d] Gypsum on heating to 393 K forms plaster of Paris \[CaS{{O}_{4}}\cdot 2{{H}_{2}}O\xrightarrow{393K}CaS{{O}_{4}}\cdot 0.5{{H}_{2}}O+1.5{{H}_{2}}O\]You need to login to perform this action.
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