MCQ
Which of the following is an amphoteric oxide
- A$MgO$
- ✓$A{l_2}{O_3}$
- C$C{l_2}{O_7}$
- D$T{i_2}{O_2}$
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$\begin{array}{*{20}{c}}
{C{H_3} - CH = C - C{H_2} - C{H_3}} \\
{|\,\,} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_2} - C{H_2} - C{H_3}}
\end{array}$