3614. Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst. September 7, 2025 by Admin Stabilisation Increasing the effectiveness Improving the strength & heat resistance All of the above ✅ The correct answer is option D.
