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【Daily Question】Chemical Analysis Edition, 2020.7.26

2020-07-26View Original

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Single-choice question: When measuring the pH value of a solution, what are the requirements for installing the pH glass electrode and the saturated calomel electrode? A. The tip of the saturated calomel electrode is slightly higher than that of the pH glass electrode. B. The tip of the saturated calomel electrode is slightly lower than that of the pH glass electrode. C. The tips of both electrodes are at the same height. B

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