Which of the following oxides is basic? by Sunday | May 9 | Chemistry WAEC | 0 comments A. NO2 B. AI2O3 C. SO2 D. CaO Correct Answer: Option D D. CaO Users Also Read These:Which of the following oxides can be reduced by hydrogen?An element X forms the following oxides X2O, XO and…Some precious stones such as ruby and sapphire…Which of the following oxides is amphoteric?The following oxides react with both acids and bases…