【Daily Question】Chemical Analysis Edition, 2019.7.20
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This post was last edited by zjp on 2019-7-20 08:14. Multiple-choice question: Which of the following is an incorrect usage of a weighing flask? A. It cannot be used as a reactor. (B) The lid must be closed tightly when not in use. (C) The lid must be used in conjunction with the container. (D) It must be cleaned after use. B
(B) Keep the lid tightly closed when not in use