Which of the following oxides is amphoteric in character?
Correct answer: D. SnO₂
- A. CaO
- B. CO₂
- C. SiO₂
- D. SnO₂
Explanation
Amphoteric oxides react with both acids and bases. Among the options, SnO₂ (tin oxide) shows this dual behavior. The others are either acidic or basic only.
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