Disinfection on Environmental Studies related Questions and Answers


Question :   The chlorine, which serve as a disinfectant is
1. Free chlorine
2. Free Residual chlorine
3. Chlorine demand
4. Residual demand
Answer :   2 - Free Residual chlorine  

* Be the First to Post a Comment.

Submit comment :


Captcha Image
Reload

Ask Question

Captcha Image
Reload

Note : Name and Email never shown.





Subscribe


Become a part of EducationForever. Subscribe to our FREE Newsletter