Multiple choice

Match Group I (Terminology) with Group II (Definition / Brief Description) for wastewater treatment systems.

 
Group I Group II
P. Primary treatment 1. Contaminant removal by physical forces
Q. Secondary treatment 2. Involving biological and / or chemical reaction
R. Unit operation 3. Conversion of soluble organic matter to business
S. Unit process 4. Removal of solid materials from incoming wastewater

  1. P - 4, Q - 3, R - 1, S - 2

  2. P - 4, Q - 3, R - 2, S - 1

  3. P - 3, Q - 4, R - 2, S - 1

  4. P - 1, Q - 2, R - 3, S - 4
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A Correct answer
Explanation

 

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