June 2018 NY Regents Chemistry Exam
15 In a laboratory investigation, a student separates colored compounds obtained from a mixture of crushed spinach leaves and water by using paper chromatography. The colored compounds separate because of differences in (1) molecular polarity (2) malleability (3) boiling point (4) electrical conductivity
Solution: Paper chromatography separates molecules based on their polarity.
Answer:1
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