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प्रश्न
Write two reactions to explain amphoteric nature of water.
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उत्तर
\[\ce{H2O (l) + NH3 (aq) -> OH- (aq) + NH^{+}4 (aq)}\]
\[\ce{H2O (l) + H2S (aq) -> H3O+ (aq) + HS- (aq)}\]
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