Al₂O₃ is amphoteric - it reacts with both acids and bases. Na₂O is basic, SO₂ and CO₂ are acidic oxides.
Back to JEE Main 2023 Inorganic Chemistry
JEE Main 2023 — Chemistry Inorganic Chemistry
easy
mcq
2023
Official previous-year question
Verified 30 May 2026.
Question
Which of the following oxides is amphoteric?
Options
- ANa₂O
- BAl₂O₃
- CSO₂
- DCO₂
Solution
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