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Practice questions on February 8, 2017; replies will earn 2–6 points (**no scoring after it is displayed, thank you for your replies)

2017-02-08View Original

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Multiple-choice question 1: The reasons for an increase in the liquid level at the bottom of the vacuum distillation tower are (  ). A. Vacuum level decreases B. Vacuum level increases C. Furnace temperature is too low D. Furnace temperature is too high A, C

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