Select the correct answer from each drop-down menu.

[tex]
2 \text{NaOH} + \text{H}_2\text{SO}_4 \rightarrow \text{Na}_2\text{SO}_4 + \text{H}_2\text{O}
[/tex]

The equation is [tex]$\square$[/tex] because the number of hydrogen atoms and [tex]$\square$[/tex] atoms is [tex]$\square$[/tex] in the reactants and in the products.