Which of the following factors help to measure quallity of water ?

Related Mcqs:

1. Which one of the following gives the measure of Organic pollution in water?

   A. COD
   B. DO
   C. PH
   D. Salinity

   Submitted by: Said wali shah

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

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

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

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

4. Formalin consists of mixture of formaldehyde methyl alcohol and water Percentage of water in it is________________?

   A. 60%
   B. 50%
   C. 52%
   D. 8%

5. 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

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

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

   Submitted by: Aamir khan Hullio

7. In solids the temperature is the measure of__________________?

   A. Average kinetic energy of molecules
   B. Vibrational kinetic energy
   C. Translational kinetic energy
   D. None of the above

8. A scale which used to measure the Hydrogen Ion concentration in a solution is known as__________?

   A. Thermometer
   B. Viscometer
   C. PH Scale
   D. Stagmometer

   Submitted by: Ali Jan

9. Which instrument is used to measure the viscosity.?

   A. Hygrometer
   B. Hydrometer
   C. Anemometer
   D. Viscometer 

   Submitted by: Zahid Jagirani

10. The potassium present in plant help the plant to___________________?

    A. form starch sugar and fibrous material
    B. ripen the seeds and fruits
    C. increase the resistance against disease
    D. all the above statements are correct