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Preguntas del test (12)
1Chromatography cannot be used to separate delicate products
- AVerdadero
- BFalso
2Which of the following cannot be used as an adsorbent in Column adsorption chromatography?
- AMagnesium oxide
- BSilica gel
- CActivated alumina
- DPotassium permanganate
3Which of the following types of chromatography involves the separation of substances in a mixture over a 0.2mm thick layer of an adsorbent?
- AGas liquid
- BPaper
- CThin layer
- DColumn
4In Column chromatography, the stationary phase is made of _________ and the mobile phase is made of ________
- ASolid, liquid
- BLiquid, liquid
- CLiquid, gas
- DSolid, gas
5In which of the following type of paper, chromatography does the mobile phase move horizontally over a circular sheet of paper?
- AAscending paper chromatography
- BDescending paper chromatography
- CRadial paper chromatography
- DAscending – descending chromatography
6 Liquid chromatography can be performed in which of the following ways?
- AOnly in columns
- BOnly on plane surfaces
- CEither in columns or on plane surfaces
- DNeither in columns nor on plane surfaces
7Gas chromatography can be performed in which of the following ways?
- AOnly in columns
- BOnly on plane surfaces
- CEither in columns or on plane surfaces
- DNeither in columns nor on plane surfaces
8 In Gas-liquid phase chromatography, the stationary phase is composed of _________ and the mobile phase is made of _________
- ASolid, liquid
- BLiquid, liquid
- CLiquid, gas
- DSolid, gas
9Which 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?
- AColumn Chromatography
- BHigh Pressure Liquid Chromatography
- CGas Chromatography
- DPlanar Chromatography
10 In which type of chromatography, the stationary phase held in a narrow tube and the mobile phase is forced through it under pressure?
- AColumn chromatography
- BPlanar chromatography
- CLiquid chromatography
- DGas chromatography
11Chromatography is a physical method that is used to separate and analyse __________
- ASimple mixtures
- BComplex mixtures
- CViscous mixtures
- DMetals
12 In chromatography, which of the following can the mobile phase be made of?
- ASolid or liquid
- BLiquid or gas
- CGas only
- DLiquid only
Información
- Descripción
- Test sobre Sin título, creado por ELBIN SAM el 15/05/2020.
- Autor
- ELBIN SAM
- Idioma
- English
- Visitas
- 2
- Historial
- Creado el 15 may 2020 · actualizado el 16 may 2020
- Valoración
- Aún sin valoraciones Valora este test