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WorksheetsAnalysis
Total questions: 10
Worksheet time: 5mins
Chromatography is a physical method that is used to separate and analyse __________
Simple
Complex
Solid
Viscous
In chromatography, the stationary phase can be ___________ supported on a solid
Solid
Liquid
Solid or liquid
None
Chromatography cannot be used to purify volatile substances.
True
False
In Thin layer chromatography, the stationary phase is made of _________ and the mobile phase is made of _________
Solid,liquid
Solids,solid
Liquid,solid
Liquid, liquid
Which of the following types of chromatography involves the process, where the mobile phase moves through the stationary phase by the influence of gravity or capillary action?
TLC
Paper Chromatography
Column chromatography
In reverse phase Chromatography stationary phase made
Polar
Non polar
Either polar or non polar
None
A student sets up a paper
chromatogram and places a spot of food dyeo on the origin. After six minutes the solvent has moved 12cm and a blue spot has advanced 9 cm. After fourteen minutes the solvent has advanced a further 8 cm. How many cm from the origin is the blues spot likely to be
26
8
18
15
Composition of silica gel G
Silica gel without binder
Silica gel+ CaSO4
Silica gel+ MgSO4
Silica gel+ Alumina
3,5 dinitro benzoic acid is used for the detection of
Cardiac glycosides
Phenol glycosides
Saponin glycosides
Antracene glycosides
TLC uv chamber wavelength
300,250
365,254
378,244
None
