Practice Test

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Name _________________________________ Date _________________Block________Unit 1 Practice Test
Part A. Types of Matter
Determine whether the following are elements (E)
or compounds (C):
Classify each mixture as homogeneous (HO) or
heterogeneous (HE):
1. ____ carbon dioxide
9. ____ salt water
2. ____ CuSO4
10. ____ chicken noodle soup
3. ____ aluminum foil
11. ____ butter
4. ____ distilled (pure) water
12. ____ kool-aid
5. ____ nitrogen gas
13. ____ granite (marble)
6. ____ table salt (sodium chloride)
14. ____ brass
7. ____ gasoline
15. ____ chocolate chip cookies
8. ____ platinum ring
16. ____ cheez-it snack mix
Part B. States of Matter (solid, liquid, gas)
17. Which state of matter has a definite volume but no definite shape? ______________________
18. Which state of matter has particles that only vibrate, they cannot switch places? __________________
19. Which state of matter is highly compressible? ______________________
20. Which state of matter has no definite shape or volume? ______________________
21. What is the name for each of the following changes:
a. Solid  liquid _________________________
b. Liquid  gas __________________________
c. Gas  liquid __________________________
d. Solid  gas ___________________________
e. Liquid  solid _________________________
Part C. Properties of Matter
Determine whether each is a physical property (PP) or a chemical property (CC)
22. _____ melting point
23. _____ ability to rust
24. _____ ductile
25. _____ texture
26. _____ flammability
27. _____ volitile
Part D. Density (D=m/v, M=dv, V=m/d)
28. Determine the density of a rock sample if the sample has a mass of 1.25 g and a volume of 0.34 mL.
29. What is the mass of a liquid sample if the density is 2.4 g/mL and the volume is 15.0 mL?
30. What is the volume of a piece of wood that has a density of 0.75 g/mL and a mass of 35.87 g?
31. If the density of water is 1.00 g/mL, will each of the samples in the above problems float or sink?
a. __________ rock in problem 1
b. __________ liquid in problem 2
c. __________ wood in problem 3
Part E. Changes in Matter
Determine whether each of the following is a chemical change (CC) or a physical change (PC):
32. _____ breaking
37. _____ freezing
33. _____ melting
38. _____ boiling
34. _____ rusting
39. _____ crystallizing
35. _____ burning
40. _____ dissolving in water
36. _____ cutting
41. _____ reacting with water
Part F. Endothermic and Exothermic
42. HCl is dissolved in water and the temperature of the new solution is higher than the original water. Is
this process endothermic or exothermic? Explain how you know!
43. Give an example of an endothermic change in state. ______________________
44. Give an example of an exothermic change in state. ______________________
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