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Michigan Merit Exam: Chemical Changes 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!

Page 1

Question 1 1. Gas can be turned into a plasma on Earth with the addition of:

Question 2 2. Which of the following properties helps explain why a city near the Pacific Ocean experiences less dramatic changes in temperature during the day compared to a city farther inland?

Question 3 3. Which of the following is an example of a chemical change?

Question 4 4.

Which of the following concepts help explain why water can travel up a narrow tube?

I. Cohesion

II. Adhesion

III. Specific Gravity

Question 5 5.

Which of the following are physical changes?

1. melting ice

2. boiling water

3. magnetizing a pin

4. cooking an egg

Page 2

Question 6 6. Water's ability to move against gravity in a narrow space, such as a tube, is called:

Question 7 7. An example of condensation is:

Question 8 8.

Choose the correctly balanced equation for the following reaction:

Sodium + water → sodium hydroxide + hydrogen gas

Question 9 9. Why is solid water (ice) less dense than liquid water?

Question 10 10. The phase change when gas turns directly into a solid is called:

Page 3

Question 11 11. The phase change when a solid goes directly to a gas is called:

Question 12 12. Both gases and liquids:

Question 13 13. At the melting point and boiling point what happens?

Question 14 14. Conservation of matter means that:

Question 15 15.

Which of the following statements accurately describe ice:

I. Ice is denser than water.

II. Hydrogen bonds hold ice molecules closer together than they do liquid water molecules.

III. Ice has a crystalline structure.

Page 4

Question 16 16.

Choose the correctly balanced equation for the following reaction:

Potassium + water → potassium hydroxide + hydrogen gas

Question 17 17. What is a coefficient?

Question 18 18. Which of the following equations is balanced?

Question 19 19. Which of the following is a physical change?

Question 20 20. Which of the following changes to sugar is an example of a physical change?

Michigan Merit Exam: Chemical Changes 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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