The quality of petrol is improved by ____________?

Related Mcqs:

1. Quality of petrol is measured by___________?

   A. octane number 
   B. Heptane number
   C. Reforming
   D. Refining

   Submitted by: Khansa Riaz

2. The fertility of the soil is improved by________________?

   A. Rotation of the crops
   B. Adding lime to the acid salts
   C. Adding manure and growing legumes
   D. All

3. The quantity of petrol can be increased by ___________?

   A. Reforming
   B. Induction fueling
   C. Cracking
   D. Refining

   Submitted by: Aamir khan Hullio

4. Amphoteric exides are those which possess ____________ properties?

   A. Acidic
   B. Basic
   C. Acidic and basic
   D. Neutral and acidic

5. The source of the Sun’s energy is the process of ____________?

   A. Photoelectric emission
   B. Nuclear fission
   C. Nuclear fusion
   D. Thermionic emission

   Submitted by: Abid Hussain

6. Antiseptic Urotropine formed by ____________?

   A. Carboxylic acid
   B. Acetaldehyde
   C. Formaldehyde
   D. Ketone

   Submitted by: Safeullah Bullo

7. Hyperconjugation is also known as ____________?

   A. Reasonable
   B. no bond reasonable
   C. Inductive effect
   D. Electromeric effect

   Submitted by: Aneela shabbir

8. Example of cross linked polymer is ____________?

   A. Nylon
   B. Polyester
   C. bakelite
   D. PVC

   Submitted by: Aneela shabbir

9. Lactic acid on oxidation by alkaline potassium permanganate gives:____________?

   A. Propionic acid
   B. Cinnamic acid
   C. Pyruvic acid
   D. Tartaric acid

   Submitted by: Said wali shah

10. Ozone is formed in the upper layer of the atmosphere from oxygen by action of:____________?

    A. Free radicals
    B. Cosmic rays
    C. Nitrogen oxides 
    D. UV -rays

    Submitted by: Said wali shah