

MCQOPTIONS
Saved Bookmarks
1. |
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. |
Answer» C. Sodium sulphate or sodium carbonate do not cause hardness in water. | |