R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Science Q. By-product obtained by soap industry is (A) Glycerol (B) Caustic soda (C) Naphthalene (D) Caustic potash 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (A) Glycerol You must be Logged in to update hint/solution 💬 Discussion 💬 Comment