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Practice questions on August 7, 2017; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting). Thank you for your replies

2017-08-07View Original

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Single-choice question: 1. When the distillate from atmospheric distillation shows a tendency for the heavier fractions to appear toward the latter part of the distillation process, it is necessary to ( ) the amount of distillate from this side stream, thereby increasing the backflow to the lower layer and reducing the temperature. (1) Increase (2) Decrease (3) Remain unchanged Answer: (2)

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