Chemistry teacher

 Experiment  Chemistry Investigatory Project Chemistry Investigatory Project Testing Hardness, Presence of Iron, Fluoride and Chloride in Drinking Water Cover Page Name: ____________ Class: XI Roll No: ____________ School: ____________ Session: ____________ Certificate This is to certify that ____________ of Class XI has successfully completed the Chemistry Investigatory Project on "Testing Hardness, Presence of Iron, Fluoride and Chloride in Drinking Water" under the guidance of Chemistry teacher during the academic session ____________. Acknowledgement I sincerely thank my Chemistry teacher for guidance and support. I also thank the lab staff for providing materials and assistance for completing this project successfully. Introduction Water is essential for life. It may contain impurities like calcium, magnesium, iron, fluoride and chloride ions. These affect water quality and human health. Aim To test and compare hardness, ir...