MCQ
ओलियम का सूत्र है :
  • $H_{2}S_{2}O_{7}$
  • B
    $H_{2}SO_{4}$
  • C
    $H_{2}SO_{3}$
  • D
    $H_{2}SO_{5}$

Answer

Correct option: A.
$H_{2}S_{2}O_{7}$
A

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