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Bleaching action of `SO_(2)` is due to

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Bleaching action of `SO_(2)` is due to
A. Reduction
B. Oxidation
C. Hydrolysis
D. Its acidic nature
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Correct Answer - A
`underset("Colour flower "+2[H]rarr"Colour flower")(2H_(2)O+SO_(2)rarrH_(2)SO_(4)+2[H]("nascent hydrogen")`
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