One gas bleaches the colour of flowers by reduction while the other by

1.	One gas bleaches the colour of flowers by reduction while the other by oxidation [EAMCET 1980]
A.	\[CO\] and \[C{{l}_{2}}\]
B.	\[S{{O}_{2}}\] and \[C{{l}_{2}}\]
C.	\[{{H}_{2}}S\] and \[B{{r}_{2}}\]
D.	\[N{{H}_{3}}\] and \[S{{O}_{2}}\]
Answer» C. \[{{H}_{2}}S\] and \[B{{r}_{2}}\]

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One gas bleaches the colour of flowers by reduction while the other by oxidation [EAMCET 1980]

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