HomeEngineeringIf a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion. 7655. If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion.By Admin / September 7, 2025 Film Ash layer Pore None of these ✅ The correct answer is option A.
1. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm². Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin
2. Transformer cores are normally made from Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin