Alumina (Al_2O_3) is: | vedclass

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(C) Alumina $(Al_2O_3)$ is an amphoteric oxide. It reacts with both acids and bases to form salts and water. For example: $Al_2O_3 + 6HCl \rightarrow

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Amphoteric

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(C) Alumina $(Al_2O_3)$ is an amphoteric oxide. It reacts with both acids and bases to form salts and water. For example: $Al_2O_3 + 6HCl \rightarrow 2AlCl_3 + 3H_2O$ (reacts with acid) $Al_2O_3 + 2NaOH \rightarrow 2NaAlO_2 + H_2O$ (reacts with base).

Alumina $(Al_2O_3)$ is:

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