【Daily Question】Chemical Analysis Version 2021.2.23
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This post was last edited by zjp on 2021-2-23 08:14. Multiple-choice question: Which of the following operations is incorrect? (). A. When preparing H2, an experiment with open flame heating is carried out simultaneously beside the apparatus. B. Strong oxidizing agents are placed together and ground. C. A carbon tetrachloride fire extinguisher is used to put out fires involving potassium and sodium metals. D. Yellow phosphorus is stored in a glass container filled with water. Answers: ABC
A. When producing H2, an experiment involving open-flame heating is carried out simultaneously beside the apparatus. B. Strong oxidizing agents are placed together and ground together. C. Carbon tetrachloride fire extinguishers are used to put out fires involving potassium and sodium metals