MCQ
निम्नांकित यौगिकों में कौन अम्ल है?
  • A
    $\mathrm{CuO}$
  • $\mathrm{H}_{2} \mathrm{SO}_{4}$
  • C
    $\mathrm{Na}_{2} \mathrm{O}$
  • D
    $\mathrm{Ca}(\mathrm{OH})_{2}$

Answer

Correct option: B.
$\mathrm{H}_{2} \mathrm{SO}_{4}$
b

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