What is amphoteric substance? Give the examples ?
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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.
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amphoteric substance are those substance which acts as an acid and a base according to the conditions.Generally they behave like acid when reacting with base and behave like base when reacting with acids .
examples: Al2O3
H2O
Zinc Oxide
Hope this answer is helpfull .
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