What is the gain of electrons called? By Kalsoom Tahir 🌐 Source Chemistry Knowledge Base ✅ Fact Checked 📊 Difficulty Medium 📅 Last Updated 13 Aug 2026 A. Oxidation B. Neutralization C. Reduction D. Catalysis Check Answer 💡 Explanation: Reduction is the chemical process of gaining electrons (decreasing oxidation state). 📚 Topics: Chemistry Science 🎯 Exams: CSS GEN NTS PMS