Which of the following statements is incorrect? O A. In reversed-phase chromatography, the stationary phase is nonpolar. O B. In reversed-phase chromatography, increasing the mobile-phase polarity increases the elution time. OC.In reversed-phase chromatography, most polar component is eluted last. O D. In normal-phase chromatography, the most polar component is eluted last. O E. In normal-phase chromatography, the stationary phase is polar.

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