R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Chemistry Q. Philosopher's wool is chemically (A) Calcium oxide (B) Zinc oxide (C) Magnesium oxide (D) Aluminium oxide 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (B) Zinc oxide You must be Logged in to update hint/solution 💬 Discussion 💬 Comment