Pick out the false statement pertaining to water treatment ?
Correct answer: B. The zeolite water softening process reduces the hardness of water by not more than 50%
- 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
Explanation
Zeolite softening removes hardness effectively by exchanging calcium and magnesium ions for sodium ions, not merely by 50% or less. Carbon dioxide can be removed by aeration, sodium salts do not cause hardness, and pH below 7 is acidic.
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