The composition formulae of gypsum is [CPMT 1975, 78, 82; DPMT 1982; I – McqOptions

MCQOPTIONS

1.	The composition formulae of gypsum is [CPMT 1975, 78, 82; DPMT 1982; IIT 1978; MNR 1981; MP PMT 1996; RPMT 1997]
A.	\[{{\left( CaS{{O}_{4}} \right)}_{2}}.{{H}_{2}}O\]
B.	\[2CaS{{O}_{4}}\]
C.	\[CaS{{O}_{4}}.2{{H}_{2}}O\]
D.	\[2CaS{{O}_{4}}.{{H}_{2}}O\]
Answer» D. \[2CaS{{O}_{4}}.{{H}_{2}}O\]

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