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Pick out the false statement pertaining to water treatment. | |
A. | Aeration of water is effective in CO2 removal. [Wrong Answer] |
B. | The zeolite water softening process reduces the hardness of water by not more than 50%. [Correct Answer] |
C. | Sodium sulphate or sodium carbonate do not cause hardness in water. [Wrong Answer] |
D. | Water with pH value less than 7, is acidic. [Wrong Answer] |