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Questions and Answers
What is the unit of measurement for Biochemical Oxygen Demand (BOD)?
What is the unit of measurement for Biochemical Oxygen Demand (BOD)?
- mg/cm³
- ppm (correct)
- mg/L
- g/L
What is the principle of the brown ring test for anion testing?
What is the principle of the brown ring test for anion testing?
- Nitrate produces a brown ring with a specific reagent (correct)
- Addition of DPD no. 1 tablet produces a red product
- Addition of ammonium molybdate produces a yellow precipitate
- Phosphate produces a brown ring with a specific reagent
What is the purpose of Winkler Titration in water analysis?
What is the purpose of Winkler Titration in water analysis?
- To estimate the concentration of dissolved solids in water
- To determine the dissolved oxygen in water (correct)
- To determine the total hardness of water
- To estimate the concentration of suspended solids in water
What is the effect of suspended solids on water?
What is the effect of suspended solids on water?
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Which of the following methods is used to estimate the concentration of dissolved solids in water?
Which of the following methods is used to estimate the concentration of dissolved solids in water?
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What is the purpose of adding ammonium molybdate in anion testing for phosphate?
What is the purpose of adding ammonium molybdate in anion testing for phosphate?
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What is the condition required for measuring the biochemical oxygen demand (BOD) of a water sample?
What is the condition required for measuring the biochemical oxygen demand (BOD) of a water sample?
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What is the effect of suspended solids on water?
What is the effect of suspended solids on water?
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