Which of the following pairs of elements forms amphoteric oxides? by Sunday | Dec 10 | Chemistry WAEC | 0 comments A. Be and Mg B. Na and K C. B and Al D. Si and Pb Correct Answer: Option D D. Si and Pb Users Also Read These:Which of the following oxides is amphoteric?Zinc oxide is said to be amphoteric because it?Which of the following metallic oxides is amphoteric?Which of the following oxides can be reduced by hydrogen?Amphoteric oxides are oxides which?