Solved UPSC CDS/OTA Question
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Q · Metals and Non-MetalsMedium · 45s
Which among the following oxides is amphoteric?
TopicMetals and Non-Metals
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
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Aluminium oxide reacts with both acids and bases; hence, it is amphoteric.
Final Answer: Option B — Al₂O₃