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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does TDS stand for?
💡 Hint: It's about the particles dissolved in water.
Question 2
Easy
What is one example of organic matter that can affect TDS?
💡 Hint: Think about what happens to plants and animals.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does TDS measure?
- Total Direct Solids
- Total Dissolved Solids
- Total Dispersed Solids
💡 Hint: Focus on what is actually dissolved in a liquid.
Question 2
True or false: High BOD indicates low levels of organic pollution in water.
- True
- False
💡 Hint: Remember what BOD represents in terms of oxygen demand.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider a community experiencing fish deaths in their nearby river. High TDS levels are recorded. Formulate a hypothesis on the relationship between TDS and fish health.
💡 Hint: Think about how TDS can influence oxygen levels in water.
Question 2
In water treatment, COD is measured before and after treatment. If the initial COD is 200 mg/L and the final is 50 mg/L, analyze treatment efficiency.
💡 Hint: Consider how to calculate percentage reduction.
Challenge and get performance evaluation