Which one of the following is an amphoteric oxide?
- A. MgO
- B. P_{4}O_{10}
- C. Na_{2}O
- D. Al_{2}O_{3} ✓
Correct Answer: D. Al_{2}O_{3}
Explanation
Aluminum oxide (Al_{2}O_{3}) is an amphoteric oxide because it can react with both acids and bases to produce salt and water.
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