engineering chemistry MCQ #3082

The BOD of a water sample is 5 mg/L. What does it indicate?

engineering chemistry MCQ #3082

  1. Question 1

    Q1. The BOD of a water sample is 5 mg/L. What does it indicate?

    • A) Low organic pollution
    • B) High organic pollution
    • C) Presence of toxic chemicals
    • D) High dissolved oxygen

    Answer: Low organic pollution

    Explanation: BOD (Biochemical Oxygen Demand) measures the oxygen required to break down organic matter; low BOD indicates low organic pollution.