\[S{{O}_{2}}\] is obtained when [Roorkee 1995]

1.	\[S{{O}_{2}}\] is obtained when [Roorkee 1995]
A.	Oxygen reacts with dilute sulphuric acid
B.	Hydrolysis of dilute \[{{H}_{2}}S{{O}_{4}}\]
C.	Concentrated \[{{H}_{2}}S{{O}_{4}}\] reacts with \[N{{a}_{2}}S{{O}_{3}}\]
D.	All of these
Answer» C. Concentrated \[{{H}_{2}}S{{O}_{4}}\] reacts with \[N{{a}_{2}}S{{O}_{3}}\]

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\[S{{O}_{2}}\] is obtained when [Roorkee 1995]

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