📅 NSB 2019🎓 HS🔄 Round 2#️⃣ Q7❓ TOSS-UP✍️ Short Answer
Identify all of the following three compounds that contain both covalent and ionic bonds: 1) Phosphorus oxychloride; 2) Ammonium sulfate; 3) Potassium chloride.
✔️Answer:2
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