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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a surrogate in analytical chemistry?
💡 Hint: Think about substitutes in measurements.
Question 2
Easy
Calculate the mass of surrogate in 1 mL of a 100 mg/L solution.
💡 Hint: Use the formula concentration times volume.
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 is the main purpose of using a surrogate in environmental analysis?
- To replace the analyte
- To estimate recovery
- To dilute the sample
💡 Hint: What role does a surrogate play in measurements?
Question 2
Liquid-liquid extraction involves mixing which types of liquids?
- Soluble liquids
- Immiscible liquids
- Miscible liquids
💡 Hint: Think about how the liquids separate after mixing.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design an extraction strategy for a solid waste sample suspected of containing hazardous organic compounds. Explain your methodology.
💡 Hint: Consider porosity, extraction time, and chemical solubility.
Question 2
What discrepancies might arise when the recovered amount exceeds the amount added during extraction? Provide a detailed analysis.
💡 Hint: Think of both systematic and random errors in measurement.
Challenge and get performance evaluation