Which of the following is an amphoteric oxide?

  1. Na₂O
  2. SO₂
  3. Al₂O₃
  4. CaO

📝 Batafsil tushuntirish

Aluminum oxide (Al₂O₃) can react with both acids (forming Al³⁺ salts) and bases (forming aluminates), which is the definition of amphoteric behavior.
14 / 50 (28%)
Savol 14 dan 50
← Oldingi → Keyingi Space — Javobni ko'rsatish

🎯 Mavzu bo‘yicha test topshirish «Variant #2 of the University Scholarship Examination»

Bu mavzuda 50 Savollar. Bilimingizni sinab ko‘ring!

🔐 Test topshirish uchun tizimga kiring

📚 Fan bo‘yicha barcha testlar «Bio+Chem»

Fan bo‘yicha barcha to‘plam va mavzularni ko‘ring: Bio+Chem

Fanga o‘tish →

Xato haqida xabar berish

Javoblar mavjud emas

Ushbu test to‘plami yopiq. To‘liq foydalanish uchun 🌟 premium

Email orqali yozish