R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Science Q. The hottest part of the gas flame is known as (A) Luminous zone (B) Non-luminous zone (C) Blue zone (D) Dark zone 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (B) Non-luminous zone You must be Logged in to update hint/solution 💬 Discussion 💬 Comment