Fundamentals of Analytical Chemistry: Help & Review 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. What is the standard unit of mass?

Question 2 2. If you need to dispense a precise amount of volume, which instrument would you use?

Question 3 3. Which of the following would be best used for swirling and mixing liquids?

Question 4 4. Identify which of the following is NOT an example of descriptive statistics:

Question 5 5. What is the mass of a liquid with a density of 2.12 g/mL and a volume of 53.0 mL (to the nearest gram)?

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Question 6 6. At what step in the scientific method does a scientist propose the problem that he or she wants to solve?

Question 7 7. Which of the following is viewed as scientific fact with no exceptions?

Question 8 8. How many mL are in 3.4 L?

Question 9 9. What should you do if a substance is not labelled?

Question 10 10. About how much is one liter?

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Question 11 11. Which of the following is the closest to a mass of 500 mL of water?

Question 12 12. What is the main difference between stratified sampling and cluster sampling?

Question 13 13. Which of the following is NOT true about science?

Question 14 14. A candy company is introducing a new brand of chocolate to the market. They have advertised heavily, investing $8,000,000 in New York, but no ads were run in Boston. After analyzing the data, they have found no statistically significant difference between their sales in New York and Boston. Why is this an example of inferential statistics?

Question 15 15. Which of the following sample hypotheses is a poor choice?

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Question 16 16. Which of the following is NOT one of the six key steps of the scientific method?

Question 17 17. What is the density of a solid that has a mass of 9.2 grams and a volume of 12.3 cm3 ? Would this object float or sink in water?

Question 18 18. What are the two key points of simple random sampling?

Question 19 19. Which is a process that requires feedback from the scientific community?

Question 20 20. Which of these was not included as part of creating a hypothesis?

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Question 21 21. Which of the following best describes a hypothesis?

Question 22 22.

An empty container has a mass of 62.000 grams. You fill it with 24.6 mL of a liquid. The final mass of the container is 81.34 grams. What is the density of the liquid to the correct number of significant figures?

(density of the liquid = mass of the liquid divided by the volume of liquid)

Question 23 23. An experiment should show that a hypothesis is either:

Question 24 24. Which of the following are arranged from smallest unit to largest unit?

Question 25 25. Simge's guinea pig weighs exactly 560. grams. Which of the following most accurately expresses the weight of Simge's guinea pig in scientific notation?

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Question 26 26. What should you do with substances that are heating?

Question 27 27. If you add 50.0 mL of water to a beaker containing 22 mL of water, then how much water do you have in the beaker?

Question 28 28. While creating a project for the science fair, you know that you want to test different materials out to see which absorb the most water. Which of the following would be an example of a good hypothesis?

Question 29 29. Which best describes a population?

Question 30 30. When should you read through the lab instructions?

Fundamentals of Analytical Chemistry: Help & Review 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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