Amphoteric oxides exhibit both acidic and basic properties. They react with acids as bases and with bases as acids. Aluminium oxide is a common example of an amphoteric oxide.
Correct example of an amphoteric oxide is - (1) $\text{Na}_2\text{O}$ - (2) $\text{Al} _2\text{O}_3$ - (3) $\text{MgO}$ - (4) $ \text{CO}_2$
Asked in JUNIOR ACCOUNTANT AND TRA 2013 · Topic: Acid, Base and Salt (Amphoteric Substances and Oxides)
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