Digital ACT Science Practice Question #1494
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Highest Rf (0.95) = greatest affinity for solvent = Carotene.
Pigments with higher Rf values travel farther because they have greater solubility in the mobile nonpolar solvent. Carotene traveled farthest (9.5 cm, Rf = 0.95)....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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