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【Daily Question】Production, Storage, and Transportation - 20190611

2019-06-11View Original

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The AC version of Production, Storage and Transportation offers a question per day; answering it correctly earns 5 wealth points; Effective participation grants 2 units of wealth ; A special bonus will be given to those who provide a reasonable explanation first. Among the following chemical production processes, which one constitutes a unit operation? A. Calcination of NaHCO3 B. Production of fuel oils through atmospheric and vacuum distillation C. Formation of titania sulfate from ilmenite and sulfuric acid D. Production of urea from NH3 and CO2 B. Production of fuel oils through atmospheric and vacuum distillation

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