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01. In a solution, the substance that is doing the dissolving is the ___.
02. A solution that contains all the solute it can hold at a given temperature is ___.
03. Increasing the surface area of a solid ___ the rate of solution.
04. When a gas is dissolved in a liquid, the gas dissolves faster if the temperature of the liquid is ___.
LOWER OR COOLER
05. The concentration of a solution that contains much solute in the solvent could be described as ____.
06. Adding more solute to a solvent ___ its freezing point.
07. A molecule that is positively charged on one end and negatively charged on the other end is ___.
08. The amount of solute that can be dissolved in a specific amount of solvent at a given temperature is its ___.
09. Different substances have ___ solubilities.
10. A crystal of a solute was dropped into a solution and it dissolved. The original solution was ___.
11. A solution with a bitter taste and a slippery feel is most likely a(n) ___.
12. Decreasing temperature ___ the rate of solution for a gas in a liquid.
13. The dissolving of a solid in a liquid takes place at the solid’s ___.
14. The type of solution depends on the state of the ___.
15. A solid dissolves faster when it is ground because grinding ___ surface area.
16. A gas dissolves in a liquid most rapidly when under ___ pressure.
HIGH OR HIGHER
17. A supersaturated solution is ___ stable than a saturated solution.
18. Organic substances that change color in the presence of an acid or base are called
19. A substance that produces H+ ions in solution is a(n) ___.
20. A substance that produces OH - ions in solution is a(n) ___.
21. If a crystal of solute is dropped into a solution and other crystals appear, the solution was ___.
22. A compound formed in solution from the negative ion of an acid and the positive ion of a base is a a(n) ___.
23. The terms dilute and concentrated refer to the ___ of a solution.
24. A reaction between an acid and a base that produces a salt and water is a ___ reaction.
25. A substance with a pH of 2 would be classified as a ___.
26. Coffee has a pH of about 5. Coffee is slightly ___.
27. Strong acids have ___ pH values than do weaker acids.
28. On the pH scale, a solution with a pH 7 is ___.
29. Strong acids produce large numbers of ___.
H + IONS
30. Increasing the temperature increases the ___ of a solid solute in a solvent.
31. Adding a solute to a solvent ___ the freezing point of the solvent.
32. Adding a solute to a solvent ___ the boiling point of the solvent.
33. The products of neutralization are a(n) ___ plus water.
34. Because grease is ___ it cannot be dissolved in water.
35. The dissolving of a ___ in a liquid takes place at the solid’s surface.
36. Stirring decreases the rate of a(n) ___ going into solution in a liquid solvent.
37. A solution is a ___ that appears uniform throughout and whose particles cannot easily be separated.
38. At room temperature, a supersaturated solution would contain a ___ percent of solute than a saturated solution of the same substance.
39. Geologists use ___ acid (HCl) to test for the presence of carbonates in limestone.
40. You are most likely to find a ___ in household cleaners.
41. ___ naturally present in food are safe to eat because they are usually weak.
42. The amount of solute that can be dissolved in a specific amount of solvent at a given ___ is its solubility.
43. Grinding a solid solute into smaller particles increases surface area and ___ the rate at which the solute goes into solution.
44. Sodium hydroxide (NaOH), a very strong ___, is the active ingredient in some drain cleaners.
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 ___.
The last five questions are true or false.
46. Adding antifreeze to a car radiator decreases the boiling point of the water in the radiator.
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.
48. Concentration involves the relative amounts of solvent and solute in a solution.
49. Common bases include hydrochloric acid, sulfuric acid, nitric acid, and phosphoric acid.
50. An acid is a substance that produces hydrogen ions, H +, in solution.
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