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English Translations » 化工分析圈 » 【Daily Question】Chemical Analysis Edition 2018.12.29

【Daily Question】Chemical Analysis Edition 2018.12.29

2018-12-29View Original

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This post was last edited by zjp on 2018-12-29 08:21. Multiple-choice question: When using a certain identification reaction to detect a particular ion and the result is just barely detectable with insufficiently obvious signs, what test should be conducted before a conclusion can be drawn (?). A. Control test B. Blank test C. Masking test D. Changing reaction conditions AB
Reply #22018-12-29
A. Control test B. Blank test
Reply #32018-12-29
A. Control test B. Blank test

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Translated at 2026-07-23 11:23:43

Original: https://bbs.hcbbs.com/thread-2212091-1-1.html

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