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Properties of Colloids Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. Which of the following is NOT true about chromatography?

Question 2 2. Which of the following techniques would be most appropriate for separating large, temperature-sensitive molecules like proteins?

Question 3 3. What does it mean to say an analyte has a distribution ratio in a chromatographic system?

Question 4 4. How does an emulsifier work?

Question 5 5. What acts as an emulsifier in cookie dough?

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Question 6 6. What do hydrophobic and hydrophilic mean?

Question 7 7. Which of the following is a homogeneous mixture?

Question 8 8. Which of the following describes a colloid where solid particles are dispersed in a liquid?

Question 9 9. What particle size differentiates between colloidal solution and suspensions?

Question 10 10. What is adsorption?

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Question 11 11. Which of the following best describes the Freundlich isotherm?

Question 12 12. What is an isotherm?

Question 13 13. According to the Tyndall Effect, how would you be able to identify a colloid mixture?

Question 14 14. What technique can be used to distinguish between a suspension and a colloid?

Question 15 15. Based on its composition, which of the following products would be classified as an emulsion?

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Question 16 16. Which of the following is a TRUE statement concerning colloids?

Question 17 17. We know that sugar water is this type of mixture because light easily passes through it and the sugar particles do not settle out.

Question 18 18. With this type of mixture the particles settle out to form a separate layer.

Question 19 19. A crystalloid solution contains _____.

Question 20 20. Solutions that have concentrations that are higher than normal body fluid are known as _____.

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Question 21 21. Crytalloids are known by their composition and/or _____.

Question 22 22. How is a colloid different from a suspension?

Question 23 23. How are lyophilic colloids prepared?

Question 24 24. What is a lyophilic colloid?

Question 25 25. What is the best reason why a flame ionization detector (FID) would not be useful for preparative chromatography?

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Question 26 26. Which of these is a good example of an emulsifier?

Question 27 27. How did Thomas Graham define a crystalloid?

Question 28 28. Which of the following best describes the Langmuir isotherm?

Question 29 29. How would you differentiate a colloid mixture from a solution?

Question 30 30. This is a homogeneous mixture that contains very small particles.

Properties of Colloids Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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