1.

RETARDATION_FACTOR_IS_THE_RATIO_OF?$

A. Distance moved by substance from base line to distance moved by the solvent from base line
B. Distance moved by solvent from base line to distance moved by the substance from base line
C. Distance moved by substance from top line to distance moved by the solvent from top line
D. Distance moved by solvent from top line to distance moved by the substance from top line
Answer» B. Distance moved by solvent from base line to distance moved by the substance from base line


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