Although metals form basic oxides,which of th | vedclass

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(C) Most metal oxides are basic in nature because they react with acids to form salt and water.However,some metal oxides,such as aluminum oxide $(Al_2

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$Al$

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(C) Most metal oxides are basic in nature because they react with acids to form salt and water.However,some metal oxides,such as aluminum oxide $(Al_2O_3)$ and zinc oxide $(ZnO)$,show both acidic and basic behavior.These are known as amphoteric oxides.They react with both acids and bases to produce salt and water.Among the given options,$Al$ (Aluminum) forms an amphoteric oxide $(Al_2O_3)$,while $Na$ and $Ca$ form basic oxides,and $Cu$ forms a basic oxide.

Although metals form basic oxides,which of the following metals form an amphoteric oxide?

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