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Questions  >>  CBSE XII  >>  Chemistry  >>  p-Block Elements
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Which among the following is peroxic acid of sulphur ? $(i) H_2SO_3 \\ (ii)H_2SO_4 \\ (iii)H_2S_2O_8 \\ (iv)H_2sO_4$

$\begin{array}{1 1} only (i) \\ Only (ii) \\ Both (i) an d(ii) \\ Only (iv) \end{array} $

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