Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove____________________?

Related Mcqs:

1. Which of the following is used as a coagulant in water treatment ?

   A. Chloramine B. Chlorine C. Ferrous sulphate D. Hydrogen peroxide...

2. The most widely used coagulant for removing suspended impurities from water is__________________?

   A. Bleaching powder B. Chlorine C. Calcium sulphate D. Alum...

3. Which of the following is used as a coagulant in treating turbid water ?

   A. Chlorine B. Ferric sulphate C. Calcium sulphate D. Activated carbon...

4. Most widely and commonly used coagulant for the removal of suspended impurities in water is __________________?

   A. Bleaching powder B. Slaked lime C. Alum D. Copper sulphate...

5. Starting raw material for the manufacture of alum is_________________?

   A. Alumina B. Gypsum C. Bauxite D. Ammonium bicarbonate...

6. Alum is commercially produced from___________________?

   A. Gypsum B. Feldspar C. Galena D. Bauxite...

7. Chemical name of ‘alum’ is__________________?

   A. Barium sulphate B. Aluminium sulphate C. Aluminium chloride D. Calcium sulphate...

8. Coagulant is used _________________ filtration?

   A. Before B. After C. During D. To avoid...

9. The main use of activated carbon in water treatment is to control ___________________?

   A. Bacterial growth B. Taste and odour C. Turbidity D. None of these...

10. Deaeration of water in its treatment is necessary, as it___________________?

    A. Minimises its turbidity B. Helps in controlling its taste and odour C. Minimises its corrosiveness D. None of these...