Questions :
As per WHO (World Health Organization) guidelines, which of the following is NOT an example of disinfection by-products formed at drinking water treatment plants?
Options :
- Titania
- Bromate
- Chlorate
- Chlorite
correct answer : a)
Explanation :
Bromate, chlorate and chlorite are known disinfection by-products formed during drinking water treatment processes, especially when chlorine or ozone is used. Titania is not a disinfection by-product.