The sodium extract prepared from sulphanilic acid, contains \[SC{{N}^{ – McqOptions

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1.	The sodium extract prepared from sulphanilic acid, contains \[SC{{N}^{-}}\]. It gives blood red colouration with
A.	a mixture of \[N{{a}_{2}}S\] and \[C{{S}_{2}}\]
B.	\[FeC{{l}_{3}}\]
C.	\[FeS{{O}_{4}}\]
D.	\[N{{a}_{2}}S{{O}_{3}}\]
Answer» C. \[FeS{{O}_{4}}\]

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