PAPER CHROMATOGRAPHY LAB REVIEW EXAM QUESTIONS AND ANSWERS 100% PASS

PAPER CHROMATOGRAPHY LAB REVIEW
EXAM QUESTIONS AND ANSWERS 100%
PASS


All 7 dyes have -

[ANSWER]: Conjugated systems




QUESTION: Conjugated systems -

[ANSWER]: Long carbon structures with alternating carbon-carbon

single and double bonds




QUESTION: Lots of conjugated bonds means -

[ANSWER]: Color




QUESTION: Chromatography -

,[ANSWER]: Group of techniques used to separate colored mixtures

into their component parts (often used for blood or drinking water

analyses)




QUESTION: Chromatography involves -

[ANSWER]: A stationary phase and a mobile phase




QUESTION: Stationary phase can be -

[ANSWER]: Solid or liquid




QUESTION: The mixture to be separated is placed -

[ANSWER]: On the stationary phase




QUESTION: Mobile phase can be -

[ANSWER]: Liquid or gas

, QUESTION: Liquid chromatography -

[ANSWER]: The separation is based on preferential attraction of each

component of the mixture to either stationary or mobile phase




QUESTION: The mobile phase moves along the stationary phase, -

[ANSWER]: Carrying some or all of the mixture with it, resulting in the

separation of the mixture components




QUESTION: Attractions of components to mobile or stationary phase

is due to -

[ANSWER]: Intermolecular interactions




QUESTION: Paper chromatography -

[ANSWER]: Sample of mixture is put on chromatography paper, which

acts as stationary phase; edge of paper placed in solvent, which acts as

mobile phase