Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of_________________?
Correct answer: D. All A., B. & C.
- A. Ozone and iodine
- B. Chlorine or its compounds
- C. Ultraviolet light for irradiation of water
- D. All A., B. & C.
Explanation
Water can be disinfected using chemical oxidants such as chlorine, ozone, or iodine, and by physical irradiation with ultraviolet light. Since each listed method can destroy pathogens, the combined option is correct.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Chemical Process Principles
2,710 free Chemical Process Principles MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Chemical Process Principles questions
Global warming may result in __________________?
Ringelmann chart No. 2 corresponds to _______________ percent black smoke?
Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by _____________________?
Which of the following is not a practical method of low level radioactive waste disposal ?
The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the ________________?
Disinfection of water is done to remove ______________________?