MCQ
निम्नलिखित में कौन क्षारक है?
  • $\mathrm{Zn}$
  • B
    $\mathrm{SO}_{2}$
  • C
    $\mathrm{CO}_{2}$
  • D
    $\mathrm{NO}_{2}$

Answer

Correct option: A.
$\mathrm{Zn}$
a

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