Q. Which of the following oxide is amphoteric?
A) SiO₂
B) CO₂
C) SnO₂
D) CaO
Explanation
[Solution from source] SnO₂ reacts with both acids and bases, so it is amphoteric. SiO₂ and CO₂ are acidic oxides and CaO is a basic oxide. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.