What metal forms amphoteric oxide and hydroxide: a) aluminum b) sodium c) calcium d) magnesium
| August 6, 2021 | education
Amphoteric substances are those substances that, depending on the conditions, are capable of exhibiting both acidic and basic properties. Among the four proposed metals (aluminum, sodium, calcium, magnesium), amphoteric properties are only capable of exhibiting aluminum compounds: aluminum oxide Al2O3 and aluminum hydroxide Al (OH) 3. Answer: a) aluminum.
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