Question 32
Hydrogen, Oxygen and OxidesThe only pair that contains two amphoteric oxides is?
- A.aluminium oxide, calcium oxide, zinc oxide
- B.sodium oxide, zinc oxide, magnesium oxide
- C.silver oxide, lead oxide, sodium oxide
- D.potassium oxide, lithium oxide, carbon dioxide
Show the answer and explanation
Answer: A (aluminium oxide, calcium oxide, zinc oxide)
Explanation
Aluminium oxide and zinc oxide are both amphoteric; each other set has at most one amphoteric oxide.