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Using chemical reactions show that alumi...

Using chemical reactions show that aluminuum is amphoteric in nature.

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Aluminium reacts with acids as well as with bases. So,it is amphoteric in nature. For example-
`2Al(s) + 3H_2SO_4(aq)toAl_2(SO_4)_3(aq) + 3H_2(g)`
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