The disadvantage of use of chlorinated water is:
Correct answer: D. All of the above
- A. Formation of NH4Cl , NHCl2 , NCl3 which are eye irritants
- B. Increased risk of bladder and rectal cancer by drinking water
- C. Offensive odour and taste due to chlorinated phenols.
- D. All of the above
Explanation
Disadvantages as advised by CDC guidelines for chlorinated water include following: The drawbacks of chlorination are: Relatively low protection against protozoa Lower disinfection effectiveness in turbid waters Potential taste and odor objections Must ensure quality control of solution Potential long-term effects of chlorination by-products
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