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English Translations » 化工分析圈 » 【Daily Question】Chemical Analysis Edition 2019.1.20

【Daily Question】Chemical Analysis Edition 2019.1.20

2019-01-20View Original

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This post was last edited by zjp on 2019-1-20 08:47. Multiple-choice question: A burette contaminated with potassium permanganate solution can be washed with ( ) solution. A. Chromium pickling solution B. Sodium carbonate C. Oxalic acid D. Ferrous sulfate CD
Reply #22019-01-20
A、 Chromium pickling solution C、 Oxalic acid D、 Ferrous sulfate
Reply #32019-01-20
C. Oxalic acid D. Ferrous sulfate

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Translated at 2026-07-23 11:21:32

Original: https://bbs.hcbbs.com/thread-2254518-1-1.html

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