A) 1 and 3
B) 2 and 3
C) 1 and 2
D) 1, 2 and 3
E) 1 only
Correct Answer: D
Solution :
\[S{{O}_{2}},{{H}_{2}}{{O}_{2}}\]and\[{{O}_{3}}\]all of these act as bleaching agent.
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