Practice Desorption And Extraction Techniques (2.2) - :Vapour - Part 2

Practice: Desorption and Extraction Techniques

Lesson 2.2:Vapour - Part 2

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8 questions

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

Question 1.
What is the process of adsorption?
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Think about how things can cling to a sticky surface.
Question 2.
List one common adsorbent used in vapor sampling.
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It's a very effective material for trapping gases.
3Question 3.
What is adsorption?
- Process of sticking molecules to a surface
- Breaking down a substance
- Mixing solid and liquid
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Consider what happens when a sponge soaks up water.
4Question 4.
True or False: Thermal desorption requires a liquid solvent.
- True
- False
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Think about how heat can change the state of a material.
Question 5.
Design a sampling system for a volatile organic compound located in a rural area with low air circulation. What considerations would you need to take into account regarding adsorbent choice, sampling time, and environmental impacts?
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Think about environmental stability and how it influences the adsorptive potential.
Question 6.
Explain how pressure changes can impact desorption efficiency during a sampling process.
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Consider how gas behaves under compressed conditions.

4 more questions in this section. Enroll free to practise them all.