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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. | |
A. | stabilisation [Wrong Answer] |
B. | increasing the effectiveness [Wrong Answer] |
C. | improving the strength & heat resistance [Wrong Answer] |
D. | all a, b & c [Correct Answer] |