Glencoe Physical Science

Chapter 23: Acids, Bases, and Salts

Section 3 Self-Check Quiz-Eng.

1
A(n) __________ is a compound formed when the negative ions from an acid combine with the positive ions from a base.
A)alcohol
B)ester
C)salt
D)carboxyl
2
__________ are organic salts.
A)Esters
B)Titrations
C)Soaps
D)Polymers
3
Which two groups does a soap molecule contain?
A)hydronium and hydroxide
B)nonpolar nitrogen chain and carboxylic acid
C)hydroxide and carboxylic acid
D)nonpolar carbon chain and salt of a carboxylic acid
4
What is the difference between a soap and a detergent?
A)Soaps have long hydrocarbon chains and detergents have long nitrogen chains.
B)Detergents have long hydrocarbon chains and soaps have long nitrogen chains.
C)Soaps contain salts and detergents contain sulfonic or phosphoric acid groups.
D)Detergents contain carboxylic acid groups and soaps contain phosphoric acid groups.
5
What is a disadvantage of adding phosphates to detergents?
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.
6
A(n) __________ is an organic compound formed by the reaction of an organic acid and an alcohol.
A)salt
B)ester
C)base
D)indicator
7
Which of the following substances contains a base?
A)vinegar
B)lemon juice
C)fertilizer
D)aspirin
8
Which of the following compositions of cleaners is the best choice if you have hard water?
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
9
Which three acids are used in fertilizers?
A)acetic, carbonic, and hydrochloric
B)nitric, sulfuric, and phosphoric
C)nitric, acetic, and sulfuric
D)phosphoric, carbonic, and ascorbic
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