12.2: Chapter Quiz
- Page ID
- 38945
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- ________ is the process designed to kill or inactivate most microorganisms in water, including essentially all pathogenic (disease-causing) bacteria.
- Sterilization
- UV treatment
- Application of chlorine
- Disinfection
- Which of the diseases listed is not caused by a waterborne pathogenic organism?
- Gastrointestinal anthrax
- Shigellosis
- Polio
- All of these are water borne diseases
- Hypochlorous Acid and hypochlorite when considered together are also known as the ________.
- chlorine dose
- chlorine demand
- free chlorine
- chlorine residual
- _________ is a gas that does not form carcinogenic compounds like those compounds formed by chlorine disinfection. It also is not affected by ammonia, and it is a very effective disinfectant at higher pH levels. It is also used to diminish taste and odor problems in the distribution system. It is especially useful in inhibiting Legionella.
- Chloramination
- Chlorine dioxide
- Hydrogen peroxide
- Potassium permanganate