Multiple choice

Match the following:

Group I (Type of water impurity) Group II (Method of treatment)
P. Hardness 1. Reverse Osmosis
Q. Brackish water from sea 2. Chlorination
R. Residual MPN from filters 3. Zeolite Treatment
S. Turbidity 4. Coagulation and Flocculation
5. Coagulation, Flocculation and Filtration

  1. P - 1, Q - 2, R - 4, S - 2

  2. P - 3, Q - 2, R - 2, S - 4

  3. P - 2, Q - 1, R - 3, S - 5

  4. P - 3, Q - 1, R - 2, S - 5
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Hardness is treated by Zeolite (3), Brackish water by Reverse Osmosis (1), Residual MPN by Chlorination (2), and Turbidity by Coagulation, Flocculation, and Filtration (5). This matches option D.

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