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

Related Mcqs:

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

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

2. Atom cannot be divided into simple unitstheorized by________________?

   A. Rutherford
   B. Dalton
   C. Bohr
   D. Schrodinger

3. Geometry of simple molecule having sp3 hybrid orbital is ___________________?

   A. Triangular
   B. Tetrahedral
   C. Square planner
   D. Linear

4. 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

5. The technique used to separate components of mixture in solid phase ?

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

6. 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

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

   A. Shape
   B. Phase
   C. Mechanism
   D. All

8. The hardest of the following solids is__________________?

   A. sodium
   B. diamond
   C. graphite
   D. magnesium

9. Which one of the following fertilizers provides the nitrogen and phosphorus to the plant ?

   A. Urea
   B. Calcium superphosphate
   C. Diammonium phosphate
   D. Potassium nitrate

10. 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