Surface Chemistry 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. The lock and key fit model is a great example of what homogenous catalyst?

Question 2 2. What does a catalyst do to a chemical reaction?

Question 3 3. Metals are characterized as surface catalysts. Which of the following is another term for a surface catalyst?

Question 4 4. When a catalyst speeds up the rate and increases efficiency of a reaction, what happens to the energy state of that reaction?

Question 5 5. Which of the following best characterize how homogenous and heterogeneous catalysts interact with reactants?

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Question 6 6. What type of compound does an enzyme bond with?

Question 7 7. Which of the following best explains the relationship between substrate concentration and enzyme rate of reaction?

Question 8 8. If an enzyme is heated too much what will happen to it?

Question 9 9. Which of the following is true of enzyme pH?

Question 10 10. Which of the following items works as something that speeds a chemical reaction without being consumed?

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Question 11 11. _____ is a mixture where at least two substances are combined together and stay together.

Question 12 12. What technique can be used to distinguish between a suspension and a colloid?

Question 13 13. Based on its composition, which of the following products would be classified as an emulsion?

Question 14 14. According to the Tyndall Effect, how would you be able to identify a colloid mixture?

Question 15 15. How would you differentiate a colloid mixture from a solution?

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Question 16 16. Which of the following is not a physical state classification of colloids?

Question 17 17. What is the largest particle size that can be defined as a colloid?

Question 18 18. What is a lyophilic classification of colloids?

Question 19 19. Which of the following is a colloid with a gas in a liquid?

Question 20 20. How would you classify stained glass as a colloid?

Surface Chemistry 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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