WorksheetsChromatography- Part 2-Phyto-1- Class 24/25
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
Polymers could be analyzed by GC after:
a)
Outgasing
b)
solvent extraction
c)
Pyrolysis
d)
Solid phase micro extraction
2.
The connective tubes in GC are made of:
a)
Copper
b)
Aluminum
c)
Stainles steel
d)
Polymer
3.
Caoillary column in GC is characterised by:
a)
Large sample capacity
b)
Low resolution
c)
Great sensitivity
d)
Long analysis time
4.
One of the GC detectors which detects the components at nanogram level:
a)
Mass detector
b)
ECD
c)
FID
d)
TCD
5.
GC detector which relies on the fact that electronegative atoms, like halogens, will capture electrons from a β-emitter.
a)
FID
b)
ECD
c)
TCD
d)
Mass detector
6.
A universal and non-specific GC detector:
a)
Mass detector
b)
ECD
c)
FID
d)
TCD
7.
Lable (1) is.
(a)
8.
Lable (2) is:
(a)
9.
Lable (3) is:
(a)
10.
Lable (4) is:
(a)
100 %
