644062
Descripción
Test por rachaelmccue, actualizado hace más de 1 año
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Creado por rachaelmccue
hace alrededor de 10 años
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Pregunta 1
Pregunta
In liquid chromatography, molecules that interact strongly with the solvent will move quickly through the stationary phase.
Respuesta
- True
- False
Pregunta 2
Pregunta
Which of the following is the most polar bond?
Respuesta
-
Carbon-Hydrogen
-
Nitrogen-Hydrogen
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Oxygen-Hydrogen
Pregunta 3
Pregunta
Which of the following is NOT true concerning high performance liquid chromatography?
Respuesta
-
The columns contain small particles of stationary phase.
-
The stationary phase is always more polar than the mobile phase.
-
The technique is suitable for in-volatile samples.
Pregunta 4
Pregunta
Which of the following is NOT true concerning Gas Chromatography?
Respuesta
-
Gas Chromatography is not suitable for analytes with high boiling points.
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Capillary columns are longer and thinner than packed columns.
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Ultra-Violet absorption is the commonest detection method in Gas Chromatography.
Pregunta 5
Pregunta
Qualitative analysis in high performance liquid and gas chromatography is based on the measurement of what?
Respuesta
-
Retention time
-
Resolution
-
Charge
Pregunta 6
Pregunta
What kind of column has a diameter of 1cm?
Respuesta
-
Packed Column
-
Capillary Column
Pregunta 7
Pregunta
In high performance liquid chromatography, hydrocarbons are chemically bonded to silica particles and used as a stationary phase.
Respuesta
- True
- False
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