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English Translations » 化工分析圈 » 【Daily Question】Chemical Analysis Edition, 2019.9.1

【Daily Question】Chemical Analysis Edition, 2019.9.1

2019-09-01View Original

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This post was last edited by zjp on 2019-9-1 07:45. Multiple-choice question: Which of the following is an incorrect operation when distilling or refluxing flammable liquids with low boiling points? A. Add a few boiling chips to the flask to prevent the liquid from boiling over. B. The heating speed should be slow, not fast. C. Do not heat the flask directly with an open flame. D. The volume of liquid in the flask should not exceed 1/2 of its total capacity. C
Reply #22019-09-01
C. Directly heat the flask with an open flame

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Translated at 2026-07-23 10:53:45

Original: https://bbs.hcbbs.com/thread-2764514-1-1.html

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