Concept explainers
The advantage of using chlorine gas to disinfect drinking water supplies
Answer to Problem 10RAT
The best answer is option (a) as it provides residual protection against pathogens.
Explanation of Solution
In public water tanks various disease causing pathogens such as viruses, bacteria, protozoans might be present, so chlorine is used as a disinfectant as it can effectively kill them and gives water a fresh taste. It is used as a disinfectant in cleaning drinking water, swimming pool water and wastewater. Also it is used as a bleaching agent in textile industries.
Conclusion:
Therefore, the best option is (a).
Chapter 19 Solutions
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