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प्रश्न
Choose the most appropriate answer from the following list of oxides which fit the description.
An amphoteric oxide: Al2O3 (shows both acidic and basic properties)
विकल्प
SO2
SiO2
Al2O3
MgO
CO
Na2O
उत्तर
A covalent oxide of a metalloid: SiO2 (Si is a metalloid)
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