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In chemistry, an amphoteric compound (from Greek amphoteros 'both') is a molecule or ion that can react both as an acid and as a base. What exactly this can mean depends on which definitions of acids and bases are being used.
Measurement, Etymology and terminology & Oxides
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acid amphoteric base acids proton ph amphiprotic ion oxide displaystyle molecules oxides molecule donate water zinc aluminium amino bases examples
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| acid-base indicators which give one colour on reaction with an acid | instance of | both describing substances | 0.80 | text |
| another colour on reaction with a base.AmphiprotismAmphiprotism is exhibited by compounds with both Brønsted acidic | instance of | both describing substances | 0.80 | text |
| basic properties | instance of | both describing substances | 0.80 | text |
| zinc oxide | instance of | a metal oxide | 0.80 | text |
| ZnO | instance of | a metal oxide | 0.80 | text |
| contains no hydrogen | instance of | a metal oxide | 0.80 | text |
| so cannot donate a proton | instance of | a metal oxide | 0.80 | text |
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