【Daily Question】Chemical Analysis Version 2021.1.20

2021-01-20View Original

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This post was last edited by zjp on 2021-1-20 09:46. Multiple-choice question: In gas chromatography analysis, when a non-polar stationary phase is used to separate non-polar components, what is the order in which these components emerge? （） A. Based on mass, the component with lower mass comes out first. B. Based on boiling point, the component with lower boiling point comes out first. C. Based on polarity, the component with lower polarity comes out first. D. It cannot be determined. Answer: B

Reply #22021-01-20

B. Based on boiling point, the component with the lower boiling point emerges first

Reply #32021-01-25

B. Based on boiling point, the component with the lower boiling point emerges first

Reply #42021-01-29

B. Based on boiling point, the component with the lower boiling point emerges first

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【Daily Question】Chemical Analysis Version 2021.1.20

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