Chemical Reaction Basics 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 a place that chemical reactions don't happen?

Question 2 2. What is a chemical reaction?

Question 3 3. Which of the following is NOT an example of a chemical reaction?

Question 4 4. Which reaction shows a physical decomposition?

Question 5 5. Why can thermal energy cause physical and chemical decomposition reactions?

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Question 6 6. Chemical decomposition causes a compound to _____ separate.

Question 7 7. When Fe replaces Cu in the following reaction, what will the ionic compound be that forms between Fe and SO4 ?

Question 8 8. Which of the following will occur, according to the activity series?

Question 9 9. Given the following information, for the reaction between Al and Fe2 O3 , what is the correct final reaction?

Question 10 10. iron (III) oxide reacts with aluminum to form liquid iron and aluminum oxide. Which element is reduced?

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Question 11 11. Smelting is an example of a(n) _____ reaction.

Question 12 12. The point of reacting carbon with a metal oxide is produce pure metal. However, some metals need _____ to force the reaction.

Question 13 13. What happens to the flame of the Bunsen burner when there is more oxygen available to react with the fuel?

Question 14 14. What are some ways that Bunsen burners are used in laboratory settings?

Question 15 15. Which letter identifies the part of the Bunsen burner known as the Gas intake?

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Question 16 16.

Use the clue to identify the mystery gas:

When a burning splint is placed near the opening of a test tube containing this gas, a popping sound occurs.

Question 17 17. Burning and/or glowing splints can be used to test for all of the gases, except _____.

Question 18 18.

Use the clue to identify the mystery gas:

A glowing splint will reignite when placed in a test tube of this gas.

Question 19 19. What is best meant by the phrase easily oxidized?

Question 20 20. Why are oxidized atoms or compounds represented with a positive charge?

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Question 21 21. Generally speaking, what happens in an oxidation-reduction or redox reaction?

Question 22 22. Select the balanced reaction that shows combustion of pentane (C5 H12)

Question 23 23. Which formula determines the final energy of a reaction?

Question 24 24. Which of the following equations is exothermic?

Question 25 25. Which of the following is FALSE about atmospheric carbon dioxide levels?

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Question 26 26. Which of the following scenarios is MOST likely to occur if atmospheric carbon dioxide levels continue to rise?

Question 27 27. Which of the following does NOT contribute to increase in carbon dioxide level in the atmosphere?

Question 28 28. Which of the following is an example of an oxidation reaction?

Question 29 29. What is the result of the heating of copper(II) carbonate?

Question 30 30. What is the correct final equation for the reaction between Cl2 and KI?

Chemical Reaction Basics 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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