Post-UTME Chemistry 2018 Objective — Question 10
Question 10 of 21 from the Post-UTME Screening (Post-UTME) Chemistry 2018 Objective paper, with the correct answer and a full explanation.
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Which of the following oxides is amphoteric?
- A. SO2
- B. Na2O
- C. CaO
- D. Al2O3Correct
Explanation
Aluminium oxide (Al2O3) is a classic amphoteric oxide, reacting with both acids and bases.
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