The quantity of petrol can be increased by ___________?

Related Mcqs:

1. The quality of petrol is improved by ____________?

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

   Submitted by: Aamir khan Hullio

2. Quality of petrol is measured by___________?

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

   Submitted by: Khansa Riaz

3. The quantity of heat required to convert one mole of liquid into its vapours at its boiling point is called molar heat of__________________?

   A. vaporization
   B. evaporation
   C. crystallization
   D. sublimation

4. The most appropriate method for separating a large quantity of a mixture of nonvolatile, nonpolar organic compounds would be__________?

   A. Distillation
   B. Extraction
   C. Gas chromatography
   D. Column chromatography

   Submitted by: Muhammad Ali Kunbhar

5. Rate of filtration can be increased by applying gentle suction______________?

   A. Gooch crucible
   B. Filter paper
   C. Sintered crucible
   D. All of the above

6. For a gas where volume and pressures are 1dm3 and 2 atm respectively what should be its new volume when pressure is increased to 6 atm at constant temperature ?

   A. 1/2dm3
   B. 1/3dm3
   C. 1/4dm3
   D. 2/3dm3

7. If temperature of gallium arsenide is increased then its conductivity will___________________?

   A. decrease
   B. increase
   C. remains constant
   D. first decreases then increases

8. Black foot disease is caused by the pollution of groundwater as a consequence of increased seepage of:__________?

   A. Nitrates
   B. Fluorides
   C. Arsenic
   D. Mercury

   Submitted by: Abid Hussain

9. Octane rating of Gasoline can be increased by __________?

   A. Refining
   B. Cracking
   C. Reforming
   D. None of These

   Submitted by: Aamir khan Hullio

10. During Electrolysis of Water the product @cathode obtained is ___________?

    A. Hydrogen Gas & Water
    B. Oxygen Gas & Water
    C. CO & Water
    D. Hydrogen & Carbon monoxide

    Submitted by: Aamir khan Hullio