Properties Of Acids And Bases - Science Geek

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Properties of Acids and Bases

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1. What two substances are always produced by a neutralization reaction?
   1. ? an acid and a base
   2. ? water and a base
   3. ? water and a salt
   4. ? water and an acid
2. An acid is:
   1. ? a hydrogen ion (H+) donor
   2. ? a hydrogen ion (H+) acceptor
   3. ? a hydrogen ion (H+)
   4. ? a hydrogen ion (H+) destroyer
3. A base is:
   1. ? a hydrogen ion (H+) donor
   2. ? a hydrogen ion (H+) acceptor
   3. ? a hydrogen ion (H+)
   4. ? a hydrogen ion (H+) destroyer
4. When acids react with metals, the gas produced is:
   1. ? carbon dioxide
   2. ? hydrogen
   3. ? oxygen
   4. ? water vapor
5. Acids taste:
   1. ? Sweet
   2. ? Salty
   3. ? Bitter
   4. ? Sour
6. Bases taste:
   1. ? Sweet
   2. ? Salty
   3. ? Bitter
   4. ? Sour
7. A positive test for an acid occurs when:
   1. ? red litmus turns blue
   2. ? red litmus remains red
   3. ? blue litmus turns red
   4. ? blue litmus remains red
8. A positive test for a base occurs when:
   1. ? red litmus turns blue
   2. ? red litmus remains red
   3. ? blue litmus turns red
   4. ? blue litmus remains red
9. Bases cause phenolphthalein to turn:
   1. ? orange
   2. ? green
   3. ? violet
   4. ? clear
10. The characteristic ion of bases is:
    1. ? hydrogen ion (H+)
    2. ? hydroxide ion (OH-)
    3. ? sodium ion (Na+)
    4. ? carbonate ion CO32-
11. The characteristic ion of acids is:
    1. ? hydrogen ion (H+)
    2. ? hydroxide ion (OH-)
    3. ? phosphate ion PO43-
    4. ? carbonate ion CO32-
12. Which of the following statements is true?
    1. ? Acids and bases are electrolytes
    2. ? Acids are electrolytes and bases are nonelectrolytes
    3. ? Acids are nonelectrolytes and bases are electrolytes
    4. ? Acids and bases are nonelectrolytes
13. Strong acids:
    1. ? Ionize slightly and produce few hydrogen ions in solution
    2. ? Ionize completely and produce many hydroxide ions in solution
    3. ? Ionize completely and produce many hydrogen ions in solution
    4. ? Ionize slightly and produce few hydroxide ions in solution

14. Indicator	Results
    Phenolphthalein	Clear
    Red litmus	Remains red
    Blue litmus	Turns red
    Methyl orange	Turns deep red

    An unknown substance produced the experimental results noted above. Based on this data, the unknown is:
    1. ? a base
    2. ? a sugar
    3. ? an acid
    4. ? impossible to identify
15. The strongest bases are hydroxides of:
    1. ? halogens
    2. ? noble gases
    3. ? transition metals
    4. ? group 1 and group 2 metals
16. Which of the following is NOT a formula for an acid?
    1. ? HCl (aq)
    2. ? H2SO4 (aq)
    3. ? NaOH (aq)
    4. ? HNO3 (aq)
17. Which of the following is a property of acids?
    1. ? Feel slippery
    2. ? Turn red litmus blue
    3. ? taste bitter
    4. ? react with carbonates to form CO2 gas
18. In a neutralization reaction between sodium hydroxide, NaOH, and hydrochloric acid, HCl, the salt produced would be:
    1. ? sodium hydrochloride
    2. ? hydrochloric hydroxide
    3. ? sodium chloride
    4. ? sodium acid
19. Acids have a pH that is:
    1. ? less than 7
    2. ? equal to 7
    3. ? greater than 7
20. Bases have a pH that is:
    1. ? less than 7
    2. ? equal to 7
    3. ? greater than 7

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