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01. In a solution, the substance that is doing the dissolving is the ___.

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Presentation on theme: "01. In a solution, the substance that is doing the dissolving is the ___."— Presentation transcript:

1

2 01. In a solution, the substance that is doing the dissolving is the ___.

3 SOLVENT

4 02. A solution that contains all the solute it can hold at a given temperature is ___.

5 SATURATED

6 03. Increasing the surface area of a solid ___ the rate of solution.

7 INCREASES

8 04. When a gas is dissolved in a liquid, the gas dissolves faster if the temperature of the liquid is ___.

9 LOWER OR COOLER

10 05. The concentration of a solution that contains much solute in the solvent could be described as ____.

11 CONCENTRATED

12 06. Adding more solute to a solvent ___ its freezing point.

13 DECREASES

14 07. A molecule that is positively charged on one end and negatively charged on the other end is ___.

15 POLAR

16 08. The amount of solute that can be dissolved in a specific amount of solvent at a given temperature is its ___.

17 SOLUBILITY

18 09. Different substances have ___ solubilities.

19 DIFFERENT

20 10. A crystal of a solute was dropped into a solution and it dissolved. The original solution was ___.

21 UNSATURATED

22 11. A solution with a bitter taste and a slippery feel is most likely a(n) ___.

23 BASE

24 12. Decreasing temperature ___ the rate of solution for a gas in a liquid.

25 INCREASES

26 13. The dissolving of a solid in a liquid takes place at the solid’s ___.

27 SURFACE

28 14. The type of solution depends on the state of the ___.

29 SOLVENT

30 15. A solid dissolves faster when it is ground because grinding ___ surface area.

31 INCREASES

32 16. A gas dissolves in a liquid most rapidly when under ___ pressure.

33 HIGH OR HIGHER

34 17. A supersaturated solution is ___ stable than a saturated solution.

35 LESS

36 18. Organic substances that change color in the presence of an acid or base are called

37 INDICATORS

38 19. A substance that produces H+ ions in solution is a(n) ___.

39 ACID

40 20. A substance that produces OH - ions in solution is a(n) ___.

41 BASE

42 21. If a crystal of solute is dropped into a solution and other crystals appear, the solution was ___.

43 SUPERSATURATED

44 22. A compound formed in solution from the negative ion of an acid and the positive ion of a base is a a(n) ___.

45 SALT

46 23. The terms dilute and concentrated refer to the ___ of a solution.

47 STRENGTH

48 24. A reaction between an acid and a base that produces a salt and water is a ___ reaction.

49 NEUTRALIZATION

50 25. A substance with a pH of 2 would be classified as a ___.

51 STRONG ACID

52 26. Coffee has a pH of about 5. Coffee is slightly ___.

53 ACIDIC

54 27. Strong acids have ___ pH values than do weaker acids.

55 LOWER

56 28. On the pH scale, a solution with a pH 7 is ___.

57 NEUTRAL

58 29. Strong acids produce large numbers of ___.

59 H + IONS

60 30. Increasing the temperature increases the ___ of a solid solute in a solvent.

61 SOLUBILITY

62 31. Adding a solute to a solvent ___ the freezing point of the solvent.

63 DECREASES

64 32. Adding a solute to a solvent ___ the boiling point of the solvent.

65 RAISES

66 33. The products of neutralization are a(n) ___ plus water.

67 SALT

68 34. Because grease is ___ it cannot be dissolved in water.

69 NONPOLAR

70 35. The dissolving of a ___ in a liquid takes place at the solid’s surface.

71 SURFACE

72 36. Stirring decreases the rate of a(n) ___ going into solution in a liquid solvent.

73 GAS

74 37. A solution is a ___ that appears uniform throughout and whose particles cannot easily be separated.

75 MIXTURE

76 38. At room temperature, a supersaturated solution would contain a ___ percent of solute than a saturated solution of the same substance.

77 HIGHER

78 39. Geologists use ___ acid (HCl) to test for the presence of carbonates in limestone.

79 HYDROCHLORIC

80 40. You are most likely to find a ___ in household cleaners.

81 BASE

82 41. ___ naturally present in food are safe to eat because they are usually weak.

83 ACIDS

84 42. The amount of solute that can be dissolved in a specific amount of solvent at a given ___ is its solubility.

85 TEMPERATURE

86 43. Grinding a solid solute into smaller particles increases surface area and ___ the rate at which the solute goes into solution.

87 SURFACE

88 44. Sodium hydroxide (NaOH), a very strong ___, is the active ingredient in some drain cleaners.

89 BASE

90 45. When 37 grams of potassium chloride (KCl) forms a solution by being added to 100 grams of water, the potassium chloride (KCl) is the ___.

91 SOLUTE

92 The last five questions are true or false.

93 46. Adding antifreeze to a car radiator decreases the boiling point of the water in the radiator.

94 FALSE

95 47. For acidic solutions of equal concentration, the stronger the acid, the lower the pH; for basic solutions of equal concentration, the stronger the base, the higher the pH.

96 TRUE

97 48. Concentration involves the relative amounts of solvent and solute in a solution.

98 TRUE

99 49. Common bases include hydrochloric acid, sulfuric acid, nitric acid, and phosphoric acid.

100 FALSE

101 50. An acid is a substance that produces hydrogen ions, H +, in solution.

102 TRUE


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