A Admin 🎓 Coach ⭐ 38.23K Points 📊 Science Q. Purification of copper is done by (A) By Heating (B) By Oxidation (C) Electrolytic decomposition (D) Zone refining Method 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (C) Electrolytic decomposition You must be Logged in to update hint/solution 💬 Discussion 💬 Comment