In the purification of portable water the coagulant used is_________________?

Related Mcqs:

1. Molar heat of vaporization of water is_________________?

   A. 40.7 KJ/mole
   B. 40.7 J/mole
   C. 40.7 cal/mole
   D. 40.7 Kcal/mole

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. The main product of bacterial action is_________________?

   A. Nox
   B. NO2
   C. N2O3
   D. NO

8. Requirement of macronutrient per acre of the land is_________________?

   A. 5 to 200 kg
   B. 20-200 kg
   C. 200-400 kg
   D. 30-400 kg

9. The acid which is used as ink remover is_________________?

   A. Oxalic acid
   B. Succinic acid
   C. Adipic acid
   D. Acetic acid

10. Formula of haloform is_________________?

    A. HCOX
    B. CX4
    C. CHX3
    D. CH3X