_____________ surfactants perform well over a wide range water hardness and PH?

Related Mcqs:

1. Permanent hardness of water due to sulphate of metals can be destroyed by the use of ________ ?

   A. Zeolites
   B. Sulphonides
   C. Lime
   D. Nitrates

   Submitted by: Rashid Mehmood

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

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

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

   A. Ammonia
   B. Dissolved oxygen
   C. Carbon dixide
   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. Surface water contains:_____________?

   A. only salt
   B. Organic matter
   C. Salt & Organic matter
   D. Suspended impurity

   Submitted by: Said wali shah

8. The earth absorb radiation in Visible range but emit radiation at the same rate in the:

   A. Ultra voilet
   B. Gamma rays
   C. Infrared
   D. All of these

   Submitted by: Said wali shah

9. The range of acid PH on PH scale is____________?

   A. 9 to 8
   B. 6 to 7
   C. 1 to 6
   D. 1 to 10

   Submitted by: Chakar Hussain Shar

10. Which of the following is most soluble on water?

    A. BaSO4
    B. SrSO4
    C. CaSO4
    D. MgSO4

    Submitted by: Muhammad Ali Kunbhar