【Daily Question No. 134】2018.05.14

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【Daily Question No. 134】May 14, 2018: In a reaction system designed to prevent the crystallization of ammonium salts, what is used for water injection? (　　) A. Fresh water B. Circulating water C. Deionized water/deoxygenated water D. Domestic water Answer: C (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) Correct: 3 wealth, Incorrect: 1 wealth ； Mass posting of posts – rated based on the lowest score ； Replies that are unrelated to the answer are considered spam and will be deleted immediately. For management purposes, if you need to view content from a few days ago, please go through the summary post below. https://bbs.hcbbs.com/home.php?mod=space&uid=719164&do=thread&view=me&from=space The APP short-video skill competition has started! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1951670