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. ______________________