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Which of the following statements about thin-layer chromatography (TLC) is correct?.
- A.A. The stationary phase is a liquid.
- B.B. The mobile phase is a solid.
- C.C. The distance traveled by the solvent front is always greater than the distance traveled by the solute.
- D.D. The Rf value is calculated as the distance traveled by the solute divided by the distance traveled by the solvent front.
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