The molecules of CO2 in dry ice form__________________?

Related Mcqs:

1. One of the outstanding features of boron is its ability to form__________________?

   A. Molecular addition compounds
   B. Molecular crystals
   C. Semiconductors
   D. Ionic compounds

2. 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

3. When CO2 is made to react with ethy1 magnesium iodide in dry ether followed by acid hydrolysis yields______________?

   A. Carboxylic acid
   B. Ethanoic acid
   C. Propanoic acid
   D. Butanoic acid

4. Which of the following is not considered as an intermolecular force between molecules ?

   A. Coordinate covalent bonds
   B. Hydrogen bonds
   C. Debye forces
   D. London dispersion forces

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

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

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

   A. Biopolymers
   B. Dimers
   C. Monomers
   D. metamers

7. The number of molecules taking part in the rate determining step is called___________________?

   A. Order of reaction
   B. Rate of reaction
   C. Mole of a reaction
   D. Extent of a reaction

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

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

9. The number of atoms present in 21.6 gram of silver (atomic weight = 108) are same as the molecules in__________?

   A. 1.8 gram of H₂O
   B. 12 moles of KMnO₄
   C. 0.6N H₂SO₄
   D. 4.6 gram of C₂H₅OH

   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