A) \[T{{i}_{2}}{{O}_{2}}\]
B) \[MgO\]
C) \[C{{l}_{2}}{{O}_{2}}\]
D) \[A{{l}_{2}}{{O}_{3}}\]
Correct Answer: D
Solution :
\[T{{i}_{2}}{{O}_{2}}-\] basic, \[MgO\]basic \[C{{l}_{2}}{{O}_{7}}\]acidic. \[A{{l}_{2}}{{O}_{3}}\]amphoteric (shows both acidic and basic properties)
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