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【Daily Question】Chemical Analysis Version 2019.1.1

2019-01-01View Original

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This post was last edited by zjp on 2019-1-1 09:16. Wishing everyone a happy New Year, joy for the whole family, and success in everything! Multiple-choice question: In the measurement process, the following situations are considered random errors ( ). A. The reagent added during titration contains trace amounts of the substance being measured. B. A certain analyst was unable to obtain consistent readings when reading the same burette several times. C. A small amount of solution splashed out during titration. D. Someone used the same method for testing, but the results were never consistent. BD
Reply #22019-01-01
C. A small amount of solution splashed out during titration

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