1. © 2014 Pearson Education, Inc. Which of the following is correct for the material pictured? a)A gaseous pure substance b)A liquid pure substance c)A gaseous mixture d)A solid mixture e)None of the above

2. © 2014 Pearson Education, Inc. Which of the following is correct for the material pictured? a)A gaseous pure substance b)A liquid pure substance c)A gaseous mixture d)A solid mixture e)None of the above

3. © 2014 Pearson Education, Inc. Which of the following is a pure substance? a)Sweat b)Beef stew c)Coffee d)Apple juice e)Ice

4. © 2014 Pearson Education, Inc. Which of the following is a pure substance? a)Sweat b)Beef stew c)Coffee d)Apple juice e)Ice

5. © 2014 Pearson Education, Inc. Which of the following is a heterogeneous mixture? a)Seawater b)Chicken soup c)Coffee d)Hydrogen peroxide e)Ice

6. © 2014 Pearson Education, Inc. Which of the following is a heterogeneous mixture? a)Seawater b)Chicken soup c)Coffee d)Hydrogen peroxide e)Ice

7. © 2014 Pearson Education, Inc. Which of the following mixtures is separated best by decanting? a)Two aqueous liquids b)A solid and a liquid c)A volatile liquid and a non-volatile liquid d)Two solids

8. © 2014 Pearson Education, Inc. Which of the following mixtures is separated best by decanting? a)Two aqueous liquids b)A solid and a liquid c)A volatile liquid and a non-volatile liquid d)Two solids

9. © 2014 Pearson Education, Inc. Which of the following represents a chemical change? a)Freezing water to make ice cubes b)Dry ice evaporating at room temperature c)Toasting a piece of bread d)Dissolving sugar in hot coffee e)Crushing an aluminum can

10. © 2014 Pearson Education, Inc. Which of the following represents a chemical change? a)Freezing water to make ice cubes b)Dry ice evaporating at room temperature c)Toasting a piece of bread d)Dissolving sugar in hot coffee e)Crushing an aluminum can

11. © 2014 Pearson Education, Inc. Which of the following is a chemical property? a)Squeezing oranges to make orange juice b)Melting butter for popcorn c)Separating sand from gravel d)Hydrogen peroxide decomposing to water and oxygen e)Ozone as a gas at room temperature

12. © 2014 Pearson Education, Inc. Which of the following is a chemical property? a)Squeezing oranges to make orange juice b)Melting butter for popcorn c)Separating sand from gravel d)Hydrogen peroxide decomposing to water and oxygen e)Ozone as a gas at room temperature

13. © 2014 Pearson Education, Inc. Which of the following would NOT be considered an intensive property describing an unknown sample? a)It is a solid at 25 °C. b)It has a density of 1.38 g/cm 3. c)It melts at 62.0 ° C. d)It has a volume of 0.52 cm 3. e)It is shiny.

14. © 2014 Pearson Education, Inc. Which of the following would NOT be considered an intensive property describing an unknown sample? a)It is a solid at 25 °C. b)It has a density of 1.38 g/cm 3. c)It melts at 62.0 ° C. d)It has a volume of 0.52 cm 3. e)It is shiny.

15. © 2014 Pearson Education, Inc. A.a solid. B.a liquid. C.a gas. D.elemental. E.molecular. The state of matter in which molecules are widely spaced is

16. © 2014 Pearson Education, Inc. A.a solid. B.a liquid. C.a gas. D.elemental. E.molecular. The state of matter in which molecules are widely spaced is

17. © 2014 Pearson Education, Inc. A.Diamond B.Salt C.Gold D.Water E.Soot Which of the following is an example of an amorphous solid?

18. © 2014 Pearson Education, Inc. A.Diamond B.Salt C.Gold D.Water E.Soot Which of the following is an example of an amorphous solid?

19. © 2014 Pearson Education, Inc. A.Sodium B.Milk C.Blood D.Saline solution E.Stainless steel Which of the following is a pure substance?

20. © 2014 Pearson Education, Inc. A.Sodium B.Milk C.Blood D.Saline solution E.Stainless steel Which of the following is a pure substance?

21. © 2014 Pearson Education, Inc. A.Sugar B.Salt C.Brass D.Chlorine E.Air Which of the following is an element?

22. © 2014 Pearson Education, Inc. A.Sugar B.Salt C.Brass D.Chlorine E.Air Which of the following is an element?

23. © 2014 Pearson Education, Inc. A.Seawater B.Iron ore C.Air D.Milk E.All of the above Which of the following is a mixture?

24. © 2014 Pearson Education, Inc. A.Seawater B.Iron ore C.Air D.Milk E.All of the above Which of the following is a mixture?

25. © 2014 Pearson Education, Inc. A.physical change. B.chemical change. C.quantitative property. D.physical property. E.chemical property. Boiling point is an example of a

26. © 2014 Pearson Education, Inc. A.physical change. B.chemical change. C.quantitative property. D.physical property. E.chemical property. Boiling point is an example of a

27. © 2014 Pearson Education, Inc. A.Pure substance—compound B.Pure substance—element C.Mixture—homogeneous D.Mixture—heterogeneous E.Pure substance—homogenous How would you classify wine?

28. © 2014 Pearson Education, Inc. A.Pure substance—compound B.Pure substance—element C.Mixture—homogeneous D.Mixture—heterogeneous E.Pure substance—homogenous How would you classify wine?

29. © 2014 Pearson Education, Inc. A.The density of a liquid B.The ability of iron to rust C.Flammability of gasoline D.Reactivity of acids with metals E.All of these are chemical properties. Which of the following is NOT a chemical property?

30. © 2014 Pearson Education, Inc. A.The density of a liquid B.The ability of iron to rust C.Flammability of gasoline D.Reactivity of acids with metals E.All of these are chemical properties. Which of the following is NOT a chemical property?

31. © 2014 Pearson Education, Inc. A.Burning butane B.Barbequing a steak C.Decomposing water into hydrogen and oxygen gases D.Breaking a piece of glass E.Baking a cake Which of the following is a physical change?

32. © 2014 Pearson Education, Inc. A.Burning butane B.Barbequing a steak C.Decomposing water into hydrogen and oxygen gases D.Breaking a piece of glass E.Baking a cake Which of the following is a physical change?

33. © 2014 Pearson Education, Inc. A.The freezing of water is a physical change. B.The conversion of compounds into elements is a physical change. C.Combining sodium metal and chlorine gas to form sodium chloride is a chemical change. D.Photosynthesis is an example of a chemical change. E.Distilling alcohol from water is a physical change. Which of the following statements is FALSE?

34. © 2014 Pearson Education, Inc. A.The freezing of water is a physical change. B.The conversion of compounds into elements is a physical change. C.Combining sodium metal and chlorine gas to form sodium chloride is a chemical change. D.Photosynthesis is an example of a chemical change. E.Distilling alcohol from water is a physical change. Which of the following statements is FALSE?

35. © 2014 Pearson Education, Inc. A.element. B.compound. C.homogenous mixture. D.heterogeneous mixture. E.pure substance. A solution is a(n)

36. © 2014 Pearson Education, Inc. A.element. B.compound. C.homogenous mixture. D.heterogeneous mixture. E.pure substance. A solution is a(n)

37. © 2014 Pearson Education, Inc. A.a substance that cannot be broken down any further. B.anything that has mass and occupies space. C.a substance composed of two or more elements. D.a homogeneous mixture. E.None of the above Matter can be defined as

38. © 2014 Pearson Education, Inc. A.a substance that cannot be broken down any further. B.anything that has mass and occupies space. C.a substance composed of two or more elements. D.a homogeneous mixture. E.None of the above Matter can be defined as

39. © 2014 Pearson Education, Inc. A.Water evaporates. B.Water freezes. C.Butane gas burns. D.Steam condenses. E.None of the above Which of the following changes is endothermic?

40. © 2014 Pearson Education, Inc. A.Water evaporates. B.Water freezes. C.Butane gas burns. D.Steam condenses. E.None of the above Which of the following changes is endothermic?

41. © 2014 Pearson Education, Inc. A.Sugar is dissolved in water. B.Copper metal is rolled into wire. C.Ice melts. D.All of the above E.None of the above Which of the following is a chemical change?

42. © 2014 Pearson Education, Inc. A.Sugar is dissolved in water. B.Copper metal is rolled into wire. C.Ice melts. D.All of the above E.None of the above Which of the following is a chemical change?