Which of the following oxides is/are amphoteric?

CHEMISTRY · Single correct · CBSE · Chemistry · Metals and Non-metals · Metals and Non-metals

Problem

Which of the following oxides is/are amphoteric? (1)

\text{Na}_2\text{O}

(2)

\text{CaO}

(3)

\text{Al}_2\text{O}_3

(4)

\text{SnO}_2

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