R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Science Q. Sulphur dioxide bleaches colouring matter by: (A) Oxidation (B) Dehydration (C) Decomposition (D) Reduction 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (D) Reduction You must be Logged in to update hint/solution 💬 Discussion 💬 Comment