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Chemistry- Chromatography Exam Questions and Answers 100% Pass

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Chemistry- Chromatography Exam Questions and Answers 100% Pass

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Chemistry- Chromatography Exam
Questions and Answers 100% Pass


What are the two types of chromatography? -

[ANSWER]: thin layer chromatography (TLC)

gas chromatography (GC)




QUESTION: What is TLC used to separate? -

[ANSWER]: mixtures of organic molecules




QUESTION: What does the TLC separation work by? -

[ANSWER]: adsorption




QUESTION: What is the stationary phase in tlc? -

[ANSWER]: a polar solid that does not move

, QUESTION: What is the mobile phase in TLC? -

[ANSWER]: an organic liquid solvent that carries the compounds




QUESTION: Solvent -

[ANSWER]: the substance that dissolves the solute




QUESTION: In TLC, the more polar the compound, the ...... the

adsorption? -

[ANSWER]: stronger




QUESTION: In TLC, the stronger the adsorption, the ..... the Rf? -

[ANSWER]: lower




QUESTION: In TLC, more hydrogen bonding means more .....? -

[ANSWER]: adsorption

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