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Paper Chromatography lab quiz UPDATED ACTUAL Exam Questions and CORRECT Answers

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Institution Chromatography
Module Chromatography
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Paper Chromatography lab quiz UPDATED ACTUAL Exam Questions and CORRECT Answers

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Paper Chromatography lab quiz UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Physical process - CORRECT ANSWER - Do not involve chemical reactions and no new
substances are made.


paper chromatography - CORRECT ANSWER - Separates substances based on their
solubilities.


How does paper chromatography work? - CORRECT ANSWER - Take filter paper and
draw a pencil line towards the bottom


Put a dot of ink on the pencil line.


Place the bottom of the paper in a solvent.


The solvent seeps up the paper dissolving the ink. Carrying them up the paper as well.


What is the stationary phase? - CORRECT ANSWER - The paper because it does not
move.


What is the mobile phase? - CORRECT ANSWER - The solvent because it does move.



What chemicals won't move far ? - CORRECT ANSWER - Chemicals that are strongly
attracted to the stationary phase.


What will a pure chemical produce? - CORRECT ANSWER - A single spot in all
solvents.

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