Download Chapter 7 Test Version A

Chapter 7 Test Study Guide
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Parent Signature _____________________________________
Answer Bank – Answers may be used more than once and may be combined to make an answer
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Acid
Base
Bitter
Boiling point
Colloid
Concentrated
Concentration
Corrosive
Dilute
Dissolves
Freezing point
Hydrogen
Hydroxide
Indicator
Ion
Neutral
Neutralization
pH
Reaction
Salt
Saturated
Solubility
Solute
Solution
Solvent
Sour
Slippery
Supersaturated
Suspension
Unsaturated
Water
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1. A solution that produces the hydroxide ion is called a(n) __________________
2. In a mixture, the stuff that is dissolved by the other stuff is called the ____________________
3. In a solution the stuff that dissolves the other stuff is called the ________________.
4. If a solution has a pH of 8 it is considered to be a strong ________________
5. A ___________________ solution is one that has been forced to dissolve more solute than it normally
can dissolve.
6. A chemical, such as litmus,
that changes color when exposed to an acid or a base is called a(n) ______________________
7. The H+ particle is called the _________________ ion
8. Two properties of acids are that they are _______________ to metals and tastes ______________
9. A solution that has small dissolved particles in it that appears to be one substance is called a
_______________
10. Acids produce the _________________ ion.
11. The reaction between an acid and a base is called a ______________________ reaction.
12. A _______________ solution is one that can still dissolve more solute it it.
13. If a solution has a pH of 6 it is considered to be a weak ____________
14. A solution that has a lot of solute dissolved in the solvent is called a ______________ solution.
15. If a solution has a pH of 7 it is said to be ________________
16. Adding a solute to a solvent raises the ____________ _______ and lowers the __________
______________ of the solvent.
Chapter 7 Practice Test
17. A ________________ is a mixture that is made of small undissolved particles that do not settle out and
scatter light beams.
18. The products of a neutralization reaction are ___________________ and __________________
19. Two properties of bases are that they feel ________________ and tastes ______________
20. The scale that is used to measure the strength of acids and bases is called the ____________ scale.
21. If a solution has a pH of 8 it is considered to be a weak ____________
22. __________________ is the value that represents the amount of solute compared to the amount of
solution.
23. The reactants in a neutralization reactions are ______________ and ___________________
24. A __________________ is a mixture that is made of undissolved particles that separates after it sits for
awhile.
25. The ability of a substance to dissolve in another substance is called _______________________
26. A solution that has very little solute dissolved in the solvent is called a _________________ solution.
27. The OH- particle is called a ______________ ion.
28. If a solution has a pH of 2 it is considered to be a strong ___________
Solve the following concentration problems. You must show what formula you are using and the set
up of the problem and use the correct units!
29. A solution is made dissolving 25 g of chemical A to make a 100g solution. What is the concentration of
chemical A in this solution?
30. You need to make 100 g of a solution that has a 10% concentration of chemical B, how many grams of
chemical B do you have to dissolve in the solvent?
31. A solution is made with 65 g of chemical C dissolved in 135 g of chemical D, what is the concentration
of the solution?
Chapter 7 Practice Test
32. What is the solubility of NH4Cl at 70 oC ____________________
33. What is the solubility of NaNO3 at 10 oC ___________________
34. What is the solubility of KNO3 at 50 oC _____________________
35. What is the solubility of NH3 at 40 oC ______________________
36. Which compound has the highest solubility at 20 oC ___________________
37. What compounds solubility changes the most from 0 oC to 70 oC _____________________
38. What is the trend of the solubility for NH3? ___________________
39. What is the trend for the solubility for NH4Cl? ____________________
40. Which chemical is most likely a gas? ___________________
41. Why?
_________________________________________________________________________________
Chapter 7 Practice Test
Complete the following neutralization reactions
HBr + SrOH  _________________ + _____________________
HNO3 + ________________ ______________ + NaNO3
_______________ + Mg(OH)2  ________________ + MgSO4
________________________ + _______________________  12HOH + Ti3(PO4)4