Practice Environmental Quality (1) - Environmental Quality - Environmental Quality Monitoring & Analysis,

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10 questions

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4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is Liquid-Liquid Extraction?
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Think about mixing liquids.
Question 2.
Name a safety concern when using organic solvents.
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Consider disposal issues.
3Question 3.
What does Liquid-Liquid Extraction (LLE) involve?
- Using two immiscible liquids
- Using only water
- Using solids
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Think about the interaction between the two liquids.
4Question 4.
True or False: Solid-Phase Extraction does not involve solvents.
- True
- False
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Think about how the solid phase works in extraction.
Question 5.
You have a water sample containing organic pollutants. Explain how you would decide whether to use LLE or SPE based on the sample's characteristics.
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Analyze the properties of the pollutants.
Question 6.
After extracting a compound from a solid sample, you find various interferences in your analysis. Describe the cleanup methods you could use.
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Think about different materials that interact differently with your target analyte.

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