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  • s-Block Elements
  • Which of the following is not amphoteric?
Multiple choice

Which of the following is not amphoteric?

  1. BeO

  2. Al2O3

  3. ZnO

  4. CaO

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

BeO, Al₂O₃, and ZnO are amphoteric oxides - they react with both acids and bases. CaO is a basic oxide that only reacts with acids to form salts and water. It does not react with bases.

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