5081. Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively September 7, 2025 by Admin V₂O₅ & Cr₂O₃ Oxides of nitrogen & Cr₂O₃ V₂O₅ on a porous carrier & oxides of nitrogen Oxides of nitrogen & V₂O₅ on a porous carrier ✅ The correct answer is option D.
