Which of the following mixture is used as promoters in production of a – InterviewSolution

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1.	Which of the following mixture is used as promoters in production of ammonia gas by Haber's process ?
Answer» `Zn + Al_(2)O_(3)` `K_(2)O + Al_(2)O_(3)` `KO_(2) + Al_(2)O_(3)` `Na_(2)O + Al_(2)O_(3)` Answer :B

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