<div>Nguyên tố nào có túnh axit mạnh nhất?<br>
A. HCl<br>
B. <span class="math-inline ">
<asciimath style="display: none;">H_(2)SO_(4)</asciimath><latex style="display: none">\mathrm{H}_{2} \mathrm{SO}_{4}</latex></span><br>
C. <span class="math-inline ">
<asciimath style="display: none;">HNO_(3)</asciimath><latex style="display: none">\mathrm{HNO}_{3}</latex></span><br>
D. <span class="math-inline ">
<asciimath style="display: none;">H_(2)CO_(3)</asciimath><latex style="display: none">\mathrm{H}_{2} \mathrm{CO}_{3}</latex></span></div>
