Which one of them is amphoteric in nature?
Correct answer: B. Beryllium oxide
- A. Lithium oxide
- B. Beryllium oxide
- C. Calcium oxide
- D. Potassium oxide
Explanation
The amphoteric nature is exhibited by B, beryllium oxide (BeO).
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About Acids, Bases and Salts
Acid and base behaviour is explained through the Bronsted-Lowry transfer of protons and the Lewis donation or acceptance of electron pairs. The topic includes pH, pOH, ionisation and water equilibrium, plus salt formation and hydrolysis, where a salt solution may become acidic, basic or neutral.
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