MCQ
निम्नांकित में कौन अम्लीय ऑक्साइड है?
  • A
    $\mathrm{CaO}$
  • $\mathrm{SO}_{2}$
  • C
    $\mathrm{MgO}$
  • D
    CuO

Answer

Correct option: B.
$\mathrm{SO}_{2}$
b

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