HomeEngineeringIron is not used alone as a catalyst in ammonia synthesis, because 3849. Iron is not used alone as a catalyst in ammonia synthesis, becauseBy Admin / September 7, 2025 Its activity declines rapidly, if heated to above 520°C It decomposes ammonia It gets oxidised above 500°C 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