A.Aeration
B.Alum coagulation
C.Phosphate coagulation
D.Lime
E.Lime – Soda solution
Related Mcqs:
- The process used for the removal of dissolved carbondioxide from the water, is known as
- Turbidity in water may be removed by
- Bleaching powder is manufactured by the action of CI2 on
- For removal of temporary hardness of water
- When sulphur is to be removed from cast iron while melting the same in cupola, the flux used is
- Sodium tripolyphosphate (STPP) is made by reacting orthophosphoric acid with
- For controlling the growth of algae, the chemical generally used is
- For controlling algae, the chemical generally used is
- When moisture is removed from air at constant dry bulb temperature the process is known as
- The flux used in brazing is usually
