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Experimental Laboratory 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.

Which test method goes best with this statement:

I figured out the mystery chemical by looking at the precipitate.

Question 2 2. Which of the following should you do in order to be safe in the chemistry lab?

Question 3 3. If you use a pH strip to test the pH, and you get a pH of 6, what do you know for sure?

Question 4 4. If you need to dispense a precise amount of volume, which instrument would you use?

Question 5 5. What is the approximate measurement of this film?

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Question 6 6. Any process by which the atoms of one or more substances are rearranged to form different substances is called a:

Question 7 7. What is the most important part to working in a chemistry lab?

Question 8 8.

Which test method goes best with this statement:

I placed the sample in a fire and observed a white flame.

Question 9 9. Which of the following would be best used for swirling and mixing liquids?

Question 10 10. In the chemistry lab, what does it mean to be accurate?

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Question 11 11. Combustion reactions do not:

Question 12 12. If a substance is an electrolyte, which of the following statements is true?

Question 13 13. Combustion reactions always involve:

Question 14 14. Which of the following is NOT an example of a combustion reaction?

Question 15 15. Which feature of the evaporating dish makes it effective in the evaporation process?

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Question 16 16. If you are measuring the volume of a liquid, which tool should you use?

Question 17 17. What is the purpose of processing a substance with a mortar and pestle?

Question 18 18. When heating a solution, a _____ is the best option for highly flammable substances while a _____ is best for heating to extremely high temperatures.

Question 19 19. If you observe a transition metal solution is green, and decided it must be an aqueous solution containing nickel, which test did you conduct?

Question 20 20. In an automobile engine, fuel reacts with oxygen to produce heat and energy that power the vehicle. This is a:

Experimental Laboratory Chemistry Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "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. You will lose your work if you close or refresh this page. Good luck!

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