Question

Which of the following can be found as pollutants in the drinking water in some parts of India? 

1. Arsenic 2. Sorbitol 3. Fluoride 4. Formaldehyde 5. Uranium

Select the correct answer using the codes given below. 

(a) 1 and 3 only (b) 2, 4 and 5 only (c) 1, 3 and 5 only (d) 1, 2, 3, 4 and 5

Answer 1

(a) Drinking water in some parts of India has contaminants like Arsenic, Fluoride other than many other contaminants. The sources of Arsenic are run off from orchards. The sources of fluoride are erosion of natural deposits, discharge from fertilizers and aluminum factories.