Question
Select the amphoteric substance in the following
✓
Answer
b
$\begin{array}{ll} Al \rightarrow & 933\,K \\ Ga \rightarrow & 303\,K \\ In \rightarrow & 430\,K \\ Se \rightarrow & 490\,K \end{array}$
$\begin{array}{ll} Al \rightarrow & 933\,K \\ Ga \rightarrow & 303\,K \\ In \rightarrow & 430\,K \\ Se \rightarrow & 490\,K \end{array}$
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