Which of the following way in used for classification of chromatography ?

Related Mcqs:

1. A technique of partition chromatography in which the solvent is in a pool at the bottom of container_______________?

   A. Adsorption chromatography
   B. Ascending chromatography
   C. Radial chromatography
   D. Descending chromatography

2. The stationary and mobile phases in paper chromatography are____________?

   A. Liquid/liquid
   B. Solid/liquid
   C. Liquid/solid
   D. Liquid/gas

   Submitted by: Muhammad Ali Kunbhar

3. Chromatography is used to separate _________ ?

   A. Solution
   B. Mixtures
   C. Molecules
   D. Atoms

   Submitted by: Rashid Mehmood

4. Which element was not known when Mendeleev proposed his classification ?

   A. Hydrogen
   B. Sodium
   C. Copper
   D. Germanium

5. When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?

   A. Bromine
   B. Chlorine
   C. Fluorine
   D. Iodine

6. Which of the following technique is used for the separation of insoluble particles from liquids ?

   A. Filtration
   B. Crystallization
   C. Solvent extraction
   D. Chromatography

7. Which of the following technique is simple and efficient to purify a substance____________________?

   A. Filtration
   B. Sublimation
   C. Crystallization
   D. Solvent extraction

8. Which of the following will not form crystalline structure with opporitely charged ions_________________?

   A. H+
   B. H-
   C. Mg2+
   D. Ca2+

9. Which of the following aqueous solutions would have the highest boiling point?

   A. 0.20 m glucose
   B. 0.20 m NaCl
   C. 0.15 m CaCl2
   D. 0.25 m sucrose

   Submitted by: Muhammad Ali Kunbhar

10. Which of the following element has the maximum electron affinity_____?

    A. Cl
    B. Br
    C. I
    D. F

    Submitted by: Muhammad Ali Kunbhar