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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is instrument sensitivity?
💡 Hint: Think about how instruments react to very low concentrations.
Question 2
Easy
Define sample volume.
💡 Hint: Consider its relation to concentration and detection limits.
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 the term 'detection limit' refer to?
- A. Highest concentration measurable
- B. Lowest concentration measurable
- C. Average concentration
- D. None of the above
💡 Hint: Think about how instruments measure low levels of substances.
Question 2
True or False: A precise measurement is always accurate.
- True
- False
💡 Hint: Consider how you can consistently hit the same point without hitting the target.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A balance has a detection limit of 0.1 mg, but you are trying to measure a substance that is expected to be present at 0.05 mg. What should you do?
💡 Hint: Consider ways to improve measurement effectiveness.
Question 2
You collected two samples from the same aquatic source: one with 50ml and another with 100ml. The TSS analyzed was 2 mg/L for the first and 1 mg/L for the second. Explain the anomaly.
💡 Hint: Think about the impact of dilution and measurement sensitivity.
Challenge and get performance evaluation