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

Related Mcqs:

1. How many moles are in 22.2 grams of Calcium chloride, CaCl2?

   A. 0.2 moles
   B. 0.3 moles
   C. 0.4 moles
   D. 0.5 moles

   Submitted by: Muhammad Ali Kunbhar

2. Crystallization does not involve_______________?

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

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. Water of crystallization can be removed by________________?

   A. drying
   B. heating
   C. evaporation
   D. All of the above

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

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

6. A process controlled by Distributive law is__________________?

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

7. The process of polymerization was classified by___________________?

   A. Strecker
   B. Sabatier
   C. Runge
   D. W. H. Carothers

8. The process of aluminium extraction is called__________________?

   A. Hall process
   B. Thermite process
   C. Haber process
   D. Contact process

9. The metallurgical process in which a metal is obtained in a fused state is called__________?

   A. smelting
   B. roasting
   C. calcinations
   D. froth floatation

   Submitted by: Muhammad Ali Kunbhar

10. Water Gas is a mixture of two gases Hydrogen & Carbon monoxide, while separating Hydrogen gas by liquification process which one is liquefied first__?

    A. Hydrogen Gas
    B. Carbon Monoxide Gas
    C. Both at same time
    D. None of them

    Submitted by: Aamir khan Hullio