Q. Which one of the following is an amphoteric oxide?
A) $ZnO$
B) $Na_{2}O$
C) $SO_{2}$
D) $B_{2}O_{3}$
Explanation
(a)
ZnO can react with acid and base both
ZnO+2HCl$\rightarrow ZnCl_{2} + H_{2}O$
ZnO+2NaOH$\rightarrow {Na}_{2}ZnO_{2} + H_{2}O$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.