Question

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Q12. Define amphoteric.

Correct answer = ♡​

Answer 1

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✒ Amphoterism, in chemistry, reactivity of a substance with both acids and bases, acting as an acid in the presence of a base and as a base in the presence of an acid. Water is an example of an amphoteric substance.

Answer 2

In chemistry, an amphoteric compound is a molecule or ion that can react both as an acid and as a base. ... Many metals (such as zinc, tin, lead, aluminium, and beryllium) form amphoteric oxides or hydroxides. Amphoterism depends on the oxidation states of the oxide. Al2O3 is an example of an amphoteric oxide