2.4 - Chemical Oxygen Demand (COD)
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Practice Questions
Test your understanding with targeted questions
What does COD stand for?
💡 Hint: Think about the oxygen consumption in water.
Name one oxidizing agent used to measure COD.
💡 Hint: It's a strong acid often used in chemistry labs.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary purpose of measuring COD?
💡 Hint: Remember what COD stands for.
True or False: Higher BOD values indicate a higher presence of non-biodegradable materials.
💡 Hint: Think about the definitions of BOD and COD.
3 more questions available
Challenge Problems
Push your limits with advanced challenges
Suppose a researcher finds a COD level of 1200 mg/L in a river sample. What steps should be recommended based on this analysis?
💡 Hint: Consider what high COD levels indicate about pollution.
Design an experiment to determine the relationship between industrial discharge and changes in COD levels downstream. What factors would you need to consider?
💡 Hint: Think about how to effectively measure changes in water quality.
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