A) \[A{{l}_{2}}{{O}_{3}}\]
B) \[MgO\]
C) \[Si{{O}_{2}}\]
D) \[{{P}_{2}}{{O}_{5}}\]
Correct Answer: B
Solution :
\[\underbrace{MgO}_{Basic}\underbrace{A{{l}_{2}}{{O}_{3}}}_{Amphoteric}\underbrace{Si{{O}_{2}}\ \ \ \ \ \ \ \ \ {{P}_{2}}{{O}_{5}}}_{Acidic}\] \[MgO+{{H}_{2}}O\to Mg{{(OH)}_{2}}\] Base or alkali
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