The solvent or mixture of solvents used for separation of compounds is called____________________?

Related Mcqs:

1. Solvent used in separation of biomolecules is _______________?

   A. Acetone B. Trichloroacetic acid C. Ether D. Alcohol Submitted by: Safeullah Bullo...

2. Homogeneous mixture of two or more than two compounds is called__________________?

   A. solution B. compound C. radical D. ion...

3. Cement is a mixture of so many compounds roasted in rotary kiln. Which substances has greater percentage ?

   A. Lime (CaO) B. Silica (SiO2) C. Alumina (Al2O3) D. Magnesia (MgO)...

4. The most appropriate method for separating a large quantity of a mixture of nonvolatile, nonpolar organic compounds would be__________?

   A. Distillation B. Extraction C. Gas chromatography D. Column chromatography Submitted by: Muhammad Ali Kunbhar...

5. Which of the following solvents would best facilitate an SN2 substitution reaction?

   A. Water B. Hexane C. Dimethylflormamide D. Ethanol Submitted by: Muhammad Ali Kunbhar...

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. Separation of a solid from its hot saturated solution by cooling is called__________________?

   A. vapourization B. solvent extraction C. filtration D. crystallization...

8. Ratio of the amount of solute in organic and aqueous solvent is________________?

   A. Retardation factor B. Distribution co-efficient C. Distribution in aqueous solution D. All statements are wrong...

9. In solvent extraction ether is used to separate products of organic synthesis from________________?

   A. water B. iodine C. hydrochloric acid D. gases...

10. In crystallization if the solvent is inflammable then direct heating is________________?

    A. needed B. avoided C. depends on temperature D. crystallization does not involve heating...