Experimental Chemistry and Introduction to Matter 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 NOT a state of matter?

Question 2 2.

Complete the following calculation and represent your answer in scientific notation and with the correct number of significant figures:

1500 ÷ (750 × 13.45)

Question 3 3. How many grams (g) are in 3.5 kilograms (kg) of sugar?

Question 4 4. How many millimeters (mm) are there in 5 meters (m)?

Question 5 5. Which of the following is equivalent to 20 milliliters (mL)?

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Question 6 6. Homogeneous mixtures are also called

Question 7 7. You performed paper chromatography on some marker ink and found that one of the pigments had a retention factor of 0.25. The total distance the solvent traveled was 8.0 cm. How far did the pigment travel?

Question 8 8. Which of the following is the most heterogeneous mixture?

Question 9 9. Which of the following causes water beads on the outside of a cold glass of water?

Question 10 10. What is the condensation point of water?

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Question 11 11. It is a very hot day. The weather forecast calls for a cold front to suddenly move through the area. What are you most likely to see first?

Question 12 12. 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 13 13. 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?

Question 14 14. 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?

Question 15 15. If you need to dispense a precise amount of volume, which instrument would you use?

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Question 16 16. Which feature of the evaporating dish makes it effective in the evaporation process?

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

Question 18 18. Use dimensional analysis to convert 4 days into seconds.

Question 19 19. If you are driving at a speed of 55.0 miles per hour, then what is your speed in meters per second? (Hint: 1 mile = 1,600 meters.)

Question 20 20. The density of mercury is 13.6 g/mL. What is its density in lbs/L? (Hint: 1 lb = 0.454 kg)

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Question 21 21. Which of the following changes to sugar is an example of a physical change?

Question 22 22. Which of the following is an example of a chemical change?

Question 23 23. What does it mean that matter is conserved in physical and chemical changes?

Question 24 24. _____ properties of matter can be determined without changing composition, while _____ properties of matter must change the composition of matter.

Question 25 25. The ability of iron to react to oxygen is an example of _____

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Question 26 26. Pure substances are further divided into elements and compounds. Which one best describes the rust found on a vehicle over time?

Question 27 27. Which of the following is the closest to the mass of 500 mL of water?

Question 28 28. How many mL are in 3.4 L?

Question 29 29. What is the mass of a liquid with a density of 2.12 g/mL and a volume of 53.0 mL?

Question 30 30. Alcohol and water are best separated from one another by:

Experimental Chemistry and Introduction to Matter 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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