644062
Descrição
Quiz por rachaelmccue, atualizado more than 1 year ago
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Criado por rachaelmccue
aproximadamente 10 anos atrás
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Questão 1
Questão
In liquid chromatography, molecules that interact strongly with the solvent will move quickly through the stationary phase.
Responda
- True
- False
Questão 2
Questão
Which of the following is the most polar bond?
Responda
-
Carbon-Hydrogen
-
Nitrogen-Hydrogen
-
Oxygen-Hydrogen
Questão 3
Questão
Which of the following is NOT true concerning high performance liquid chromatography?
Responda
-
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.
Questão 4
Questão
Which of the following is NOT true concerning Gas Chromatography?
Responda
-
Gas Chromatography is not suitable for analytes with high boiling points.
-
Capillary columns are longer and thinner than packed columns.
-
Ultra-Violet absorption is the commonest detection method in Gas Chromatography.
Questão 5
Questão
Qualitative analysis in high performance liquid and gas chromatography is based on the measurement of what?
Responda
-
Retention time
-
Resolution
-
Charge
Questão 6
Questão
What kind of column has a diameter of 1cm?
Responda
-
Packed Column
-
Capillary Column
Questão 7
Questão
In high performance liquid chromatography, hydrocarbons are chemically bonded to silica particles and used as a stationary phase.
Responda
- True
- False
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