Question

Natural water is impure and needs to be purified before this water can be
supplied to homes for drinking
purposes. The sequence of steps involved in purification of water is
(A) Filtration, sedimentation, decantation and aeration
(B) Sedimentation, loading, filtration and chlorination
(C) Chlorination, aeration, sedimentation and filtration
(D) Chlorination, filtration and
distillation.
(E) None of these​

Answer 1

Answer:

(B) Sedimentation, Loading, Filtration and Chlorination.