Metal oxides, which react with both acids and bases, are called ________.

basic oxides

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neutral oxides

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acidic oxides

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amphoteric oxides

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Solution

The correct option is D amphoteric oxides
Amphoteric oxides react with both acids and bases to produce salt and water. The most famous example is that of aluminium oxide ( ${Al}_{2} O_{3}$ ).

Reaction with an acid-
${Al}_{2} O_{3} (s) + 6 HCl (aq) \to 2 {AlCl}_{3} (aq) + 3 H_{2} O (l)$

Reaction with a base-
${Al}_{2} O_{3} (s) + 2 NaOH (aq) \to 2 {NaAlO}_{2} (aq) + H_{2} O (l)$

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