Polymers described as large molecules built up from small repeating units called________________?

Related Mcqs:

1. A process in which large molecules are broken up into into smaller molecules is called as_____.

   A. Reforming
   B. Cracking
   C. Refining
   D. Isomerization

   Submitted by: Aamir khan Hullio

2. Polyamides are synthetic polymers commonly known as___________?

   A. synthetic
   B. Protein
   C. Cellulose
   D. Nylon 

   Submitted by: Javed

3. The molecules of CO2 in dry ice form__________________?

   A. Ionic crystal
   B. Covalent crystal
   C. Molecular crystal
   D. Any type of crystal

4. A single chlorine free radical can destroy how many ozone molecules ?

   A. 10
   B. 100
   C. 10000
   D. 100000

5. The compounds in which water molecules are added are called_______________?

   A. Hydrated ions
   B. double salts
   C. hydrates
   D. complexes

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

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

7. 50% inversion of configuration of molecules take place in a___________________?

   A. E1 – reaction
   B. E2 – reaction
   C. SN1 – reaction
   D. SN2 – reaction

8. Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules?

   A. Boyle’s law
   B. Charles’ law
   C. Gay-Lussac’s law
   D. Avogadro’s law

   Submitted by: Malik Asghar Hussain

9. The molecules of which gas have highest speed?

   A. H₂ at -73^oC
   B. CH₄ at 300 K
   C. N₂ at 1,027^oC
   D. O₂ at 0^oC

   Submitted by: Muhammad Ali Kunbhar

10. According to Kinetic Molecular Theory gas molecules move in_______path?

    A. Straight
    B. Parabolic
    C. Zig-zag
    D. Hyperbolic

    Submitted by: Zahid Jagirani