Gypsum \[CaS{{O}_{4}}.2{{H}_{2}}O\] on heating to about \[{{120}^{o}}C – McqOptions

MCQOPTIONS

1.	Gypsum \[CaS{{O}_{4}}.2{{H}_{2}}O\] on heating to about \[{{120}^{o}}C\] forms a compound which has the chemical composition represented by [CPMT 1978, 82, 88, 90; EAMCET 1978; DPMT 1982, 83; NCERT 1979]
A.	\[CaS{{O}_{4}}\]
B.	\[2CaS{{O}_{4}}.{{H}_{2}}O\]
C.	\[CaS{{O}_{4}}.{{H}_{2}}O\]
D.	\[2CaS{{O}_{4}}.3{{H}_{2}}O\]
Answer» C. \[CaS{{O}_{4}}.{{H}_{2}}O\]

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