D Deepak Sahoo 🎓 Tutor II ⭐ 10.83K Points 📊 Chemistry Q. Indigo is a (A) basic dye (B) acidic dye (C) ingrain dye (D) vat dye 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (D) vat dye You must be Logged in to update hint/solution 💬 Discussion 💬 Comment