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\( \mathrm{H}_{3} \mathrm{BO}_{3} \stackrel{\mathrm{T}_{1}}{\longrightarrow} \mathrm{X} \stackrel{\mathrm{T}_{2}}{\longrightarrow} \mathrm{Y} \stackrel{\text { red hot }}{\longrightarrow} \mathrm{B}_{2} \mathrm{O}_{2} \) if \( \mathrm{T}_{1}\mathrm{T}_{2} \) then \( \mathrm{X} \) and \( \mathrm{Y} \) respectively are -
\( \mathrm{P} \)
(A) \( \mathrm{X}= \) Metaboric acid and \( \mathrm{Y}= \) Tetraboric acid
W
(B) \( \mathrm{X}= \) Tetraboric acid and \( \mathrm{Y}= \) Metaboric acid
(C) \( \mathrm{X}= \) Borax and \( \mathrm{Y}= \) Metaboric acid
(D) \( \mathrm{X}= \) Tetraboric acid and \( Y= \) Borax
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