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Chemistry 9 Online
OpenStudy (anonymous):

Which of the following statements defines chromatography? A. Chromatography is used to measure the mass to charge ratio of ions in a chemical sample. B. Chromatography uses a bed of gel to separate out RNA, DNA, and proteins from a sample. C. Chromatography uses the differences in separation characteristics between two phases in a mixture. D. Chromatography can be used to determine the concentration of metals in a sample.

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