Water of crystallization can be removed by________________?

Related Mcqs:

1. Crystallization does not involve_______________?

   A. heating
   B. sublimation
   C. cooling
   D. vaporization

2. The use of CaCl2 and PCl5 in the process of crystallization is as a____________________?

   A. oxidizing agent
   B. reducing agent
   C. drying agent
   D. colouring agent

3. 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

4. The residue obtained after the crystallization of sugar from concentrated sugar cane juice is called__________________?

   A. Mother liquor
   B. Filterate
   C. Extract
   D. Molasses

5. The percentage of suspended solid waste in raw water is removed by coagulation is__________________?

   A. 60
   B. 70
   C. 80
   D. 90

6. The phosphate present in sewage water which cause eutrophication Can be removed by adding:

   A. Alum
   B. Chlorine
   C. Lime
   D. permangnate

   Submitted by: Said wali shah

7. In the production of wrought iron Mg Si and P are removed in the form of___________________?

   A. oxides
   B. silicates
   C. slag
   D. carbonates

8. Arsenic oxides are removed by passing through_________________?

   A. Ferric hydroxide
   B. Sodium hydroxide
   C. Calcium hydroxide
   D. Aluminium hydroxide

9. When one hydrogen atom of alkane is removed then it is called________________?

   A. alkene
   B. alkyl
   C. aldehyde
   D. saturated hydrocarbon

10. Angle of deflection was studied by________________?

    A. Hitorff
    B. Stoney
    C. William Crookes
    D. J.Perrin