Crystallization does not involve_______________?

Related Mcqs:

1. 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

2. 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

3. Water of crystallization can be removed by________________?

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

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. Which of the solid does not contain covalent bond________________?

   A. Copper
   B. Ice
   C. Diamond
   D. Graphite

6. Which one of the following salt does not hydrolyzed________________?

   A. Na2SO4
   B. AlCl3
   C. CuSO4
   D. NH4Cl

7. Benzene does not undergo___________________?

   A. Substitution reaction
   B. Addition reaction
   C. Polymerization reactions
   D. Oxidation reactions

8. Which of the following does not give Borax bead test ?

   A. Cu
   B. Cr
   C. Ni
   D. A1

9. Which one of the following molecules does not form alcohol when reacts with Grignard reagent ?

   A. formaldehyde
   B. acetaldehyde
   C. propanone
   D. carbondioxide

10. Why does Ethyl Alcohol show high boiling point then Acetone?

    A. Due to Hydrogen bonding
    B. Due to high molecular weight
    C. Due to its Acidic nature
    D. Due to its Low molecular weight

    Submitted by: Naintara Mustafa