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Al2O3 is an amphoteric oxide. With the h...

`Al_2O_3` is an amphoteric oxide. With the help of chemical equations, explain why is it called an amphoteric oxide?

Text Solution

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Amphoteric oxides are he oxides which react both with acids and bases to produce salts and water.
`Al_2O_3 + 2NaOH to 2NaAlO_2+ H_2`
`Al_2O_3 + 6HCl to AlCl_3 + 3H_2O`
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