Answer
$H_{2}SO_{4}$( aq ) is sulfuric acid.
Work Step by Step
Oxyacids with oxanions ending in -ate are named as : $ 'base name \hspace{1mm}of \hspace{1mm}oxyanion' + ic + acid$
The base name of oxyanion $SO_{4}^{2-}$ (sulfate) is $sulfur$ , so $H_{2}SO_{4}$( aq ) is sulfuric acid.