The average salinity of sea water is________?

Related Mcqs:

1. Water molecule is________?

   A. V-shaped
   B. Angular
   C. Pyramidal
   D. Triangular planer

   Submitted by: Muhammad Ali Kunbhar

2. A process used for the Concentration of Ore is________?

   A. Roasting
   B. Forth flotation
   C. Electrolysis
   D. Distillation

   Submitted by: Muhammad Ali Kunbhar

3. Basicity of orthophosphoric acid is________?

   A. 2
   B. 3
   C. 4
   D. 5

   Submitted by: Muhammad Ali Kunbhar

4. Percentage of lead in lead pencil is________?

   A. Zero
   B. 20
   C. 80
   D. 70

   Submitted by: Muhammad Ali Kunbhar

5. Formula of Galena is________?

   A. PbS
   B. HgS
   C. AS2S3
   D. FeS2

   Submitted by: Muhammad Ali Kunbhar

6. The Bond Energy of H-F is________?

   A. 456kJ/mol
   B. 562kJ/mol
   C. 281kJ/mol
   D. None

   Submitted by: Naintara Mustafa

7. Chlorination of water may be harmful if the water contains_________________?

   A. Ammonia
   B. Dissolved oxygen
   C. Carbon dioxide
   D. All

8. Chlorination of water may be harmful if the water contains_________________?

   A. Ammonia
   B. Dissolved oxygen
   C. Carbon dixide
   D. All

9. The method in which more steam is passed through the water Gas to oxidize CO to Carbon Dioxide which is then more soluble in water than Hydrogen gas and gets separated is called______.

   A. liquification process
   B. Bosch  Process
   C. Fragmentation
   D. Thermal decomposition

   Submitted by: Aamir khan Hullio

10. In water molecule, Hydrogen & water are held together by ______ bond.

    A. Ionic
    B. Covalent
    C. Hydrogen
    D. Dating

    Submitted by: Aamir khan Hullio