Chromatography

rachaelmccue
Quiz by , created about 5 years ago

Undergraduate Forensic Science Quiz on Chromatography, created by rachaelmccue on 03/17/2014.

37
1
0
Tags
rachaelmccue
Created by rachaelmccue about 5 years ago
Separating soluble substances 321
The Punisher
Rf Values
Peter Hoskins
Qualitative and Quantative Analysis in Chromatography
Rebecca Hedworth
Fractions and percentages
Bob Read
HEMORRAGIAS - OBST PATOLOGICA
María José Alvarez Gazzano
Required Practical 7: Chromatography of Leaf Pigments
Eleanor H
Chromatography
Tom Johnson
Mixtures Quiz
Jeffrey Piggott
AQA (9-1) Topic 8
https:// revisechemistry.uk
Required Practicals for AQA A Level Chemistry INCOMPLETE
Leah Firmstone

Question 1

Question
In liquid chromatography, molecules that interact strongly with the solvent will move quickly through the stationary phase.
Answer
  • True
  • False

Question 2

Question
Which of the following is the most polar bond?
Answer
  • Carbon-Hydrogen
  • Nitrogen-Hydrogen
  • Oxygen-Hydrogen

Question 3

Question
Which of the following is NOT true concerning high performance liquid chromatography?
Answer
  • 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.

Question 4

Question
Which of the following is NOT true concerning Gas Chromatography?
Answer
  • 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.

Question 5

Question
Qualitative analysis in high performance liquid and gas chromatography is based on the measurement of what?
Answer
  • Retention time
  • Resolution
  • Charge

Question 6

Question
What kind of column has a diameter of 1cm?
Answer
  • Packed Column
  • Capillary Column

Question 7

Question
In high performance liquid chromatography, hydrocarbons are chemically bonded to silica particles and used as a stationary phase.
Answer
  • True
  • False