ScienceCLASS 7CBSE
answered 27 Mar 2026Which of the following is a part of inorganic impurities of the sewage? (a) Pesticides (b) Urea (c) Phosphates (d) Vegetable waste
A.VERIFIED ANSWERfact-checked by tutors
Soln:
The answer is (c) Phosphates
Explanation:
Pesticides, urea and vegetable waste ate the organic waste that acts as impurities in sewage water whereas phosphates are the inorganic impurities present in sewage.