(1) BaO
(2) BeO
(3) MgO
(4) CaO
Correct Answer: (2) BeO
Explanation: BeO is amphoteric oxide while other given oxides are basic.
(1) BaO
(2) BeO
(3) MgO
(4) CaO
Correct Answer: (2) BeO
Explanation: BeO is amphoteric oxide while other given oxides are basic.