A. Chloramine
B. Chlorine
C. Ferrous sulphate
D. Hydrogen peroxide
Related Mcqs:
- Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove____________________?
A. Colour
B. Turbidity
C. Bacteria
D. All A , B. and C. - Which of the following is used as a coagulant in treating turbid water ?
A. Chlorine
B. Ferric sulphate
C. Calcium sulphate
D. Activated carbon - The most widely used coagulant for removing suspended impurities from water is__________________?
A. Bleaching powder
B. Chlorine
C. Calcium sulphate
D. Alum - 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 - Coagulant is used _________________ filtration?
A. Before
B. After
C. During
D. To avoid - 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 - Hydrazine is used in water treatment for the removal of___________________?
A. Colloidal impurities
B. Dissolved oxygen
C. Turbidity
D. Chlorinous taste - Pick out the false statement pertaining to water treatment ?
A. Aeration of water is effective in CO2 removal
B. The zeolite water softening process reduces the hardness of water by not more than 50%
C. Sodium sulphate or sodium carbonate do not cause hardness in water
D. Water with pH value less than 7, is acidic - Chloramines are used in water treatment for_____________________?
A. Disinfection and control of taste & odour
B. Corrosion control
C. Removing turbidity
D. Control of bacteria - 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
