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| 1.
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A(n) __________ is a compound formed when the negative ions from an acid combine with the positive ions from a base.
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| | A) | ester |
| | B) | alcohol |
| | C) | carboxyl |
| | D) | salt |
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| 2.
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__________ are solutions containing ions that react with acids or bases to minimize their effects.
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| | A) | Buffers |
| | B) | Hydroxides |
| | C) | Enzymes |
| | D) | Indicators |
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| 3.
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Which of the following bases can be ingested safely?
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| | A) | aluminum hydroxide |
| | B) | sodium hydroxide |
| | C) | calcium hydroxide |
| | D) | ammonia |
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| 4.
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The __________ of a solution is a measure of the concentration of hydronium ions in it.
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| | A) | strength |
| | B) | concentration |
| | C) | pH |
| | D) | indicator |
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| 5.
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__________ is a chemical reaction between an acid and a base that takes place in a water solution.
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| | A) | Decomposition |
| | B) | Hydrolysis |
| | C) | Saponification |
| | D) | Neutralization |
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| 6.
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In chemical equations describing ionization, what do double arrows pointing in opposite directions indicate?
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| | A) | The reaction rate is doubled. |
| | B) | The ionization reaction is incomplete. |
| | C) | The reactant is a strong acid. |
| | D) | There is twice as much product as reactant. |
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| 7.
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Which of the following statements about bases is NOT true?
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| | A) | Bases in solution feel slippery. |
| | B) | Bases form hydroxide ions in solution. |
| | C) | Bases form when acids react with metals. |
| | D) | Pure, undissolved bases are often crystalline solids. |
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| 8.
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Which two terms refer to the amount of acid or base dissolved in solution?
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| | A) | strong and dilute |
| | B) | strong and weak |
| | C) | dilute and concentrated |
| | D) | weak and concentrated |
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| 9.
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Which two groups does a soap molecule contain?
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| | A) | hydronium and hydroxide |
| | B) | hydroxide and carboxylic acid |
| | C) | nonpolar carbon chain and salt of a carboxylic acid |
| | D) | nonpolar nitrogen chain and carboxylic acid |
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| 10.
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A(n) __________ is an organic compound that changes color in acid.
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| | A) | base |
| | B) | catalyst |
| | C) | salt |
| | D) | indicator |
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| 11.
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Which three acids are used in fertilizers?
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| | A) | phosphoric, carbonic, and ascorbic |
| | B) | nitric, acetic, and sulfuric |
| | C) | acetic, carbonic, and hydrochloric |
| | D) | nitric, sulfuric, and phosphoric |
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| 12.
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A(n) __________ is an organic compound formed by the reaction of an organic acid and an alcohol.
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| | A) | base |
| | B) | salt |
| | C) | indicator |
| | D) | ester |
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| 13.
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Which of the following compositions of cleaners is the best choice if you have hard water?
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| | A) | long hydrocarbon chain with sodium salt |
| | B) | long hydrocarbon chain with potassium salt |
| | C) | long hydrocarbon chain with sulfonic acid group |
| | D) | long-chain fatty acid with sodium hydroxide |
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| 14.
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Which of the following substances contains a base?
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| | A) | aspirin |
| | B) | vinegar |
| | C) | fertilizer |
| | D) | lemon juice |
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| 15.
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Which of the following has the highest pH?
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| | A) | vitamin C |
| | B) | vinegar |
| | C) | ammonia |
| | D) | pure water |
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| 16.
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Which of the following statements about acids is NOT true?
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| | A) | Acids form hydroxide ions in solution. |
| | B) | Many foods contain acids. |
| | C) | Acids taste sour. |
| | D) | Acids are corrosive. |
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| 17.
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A(n) __________ is a substance that produces hydrogen ions in solution.
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| | A) | salt |
| | B) | base |
| | C) | indicator |
| | D) | acid |
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| 18.
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What is a disadvantage of adding phosphates to detergents?
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| | A) | Phosphates cause a detergent to produce scum in hard water. |
| | B) | Detergents with phosphates cannot clean as thoroughly as those without them do. |
| | C) | Phosphates are corrosive. |
| | D) | Phosphates can cause overgrowth of algae in waterways. |
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| 19.
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Which of the following acids is NOT edible?
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| | A) | carbonic |
| | B) | lactic |
| | C) | sulfuric |
| | D) | phosphoric |
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| 20.
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__________ are organic salts.
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| | A) | Polymers |
| | B) | Titrations |
| | C) | Soaps |
| | D) | Esters |
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