Fazal-ur-Rehman M
To investigate the chloride hardness in drinking water, Five samples of drinking water were taken from five different academic institutes of District Vehari, Pakistan which are; sample-1 from University of Education Vehari Campus; sample-2 from Government Post Graduate College for Women Vehari; sample-3 from Government Post Graduate College for Boys Vehari; sample-4 from COMSATS Institute of Information Technology (IIT) Vehari Campus; and sample-5 from BZU Vehari Campus. This project was performed in chemistry Lab of University of Education Vehari Campus. After that, the results obtained from these experiments indicated that sample-3 is very polluted with large amounts of salts which cause its hardness and made it unfit for drinking purposes, because this hardness causes health diseases in humans. The sample-3 contains large amounts of chloride ions which hardened it, as its temperature is also low. Except Sample-3, all other four samples are not much polluted and are fit for drinking. So, author recommended to leave the use the sample-3 of Water of Government Post Graduate College for Boys Vehari.
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