What substance speeds up a reaction without being consumed? By Ahmed Akber ✅ Fact Checked 📊 Difficulty Medium 📅 Last Updated 13 Aug 2026 A. Isomer B. Allotrope C. Catalyst D. Solvent Check Answer 💡 Explanation: A catalyst increases reaction rate without undergoing permanent chemical change. 📚 Topics: Chemistry Science 🎯 Exams: CSS GEN NTS PMS
