Unit 9 - Salts
Questions for lesson of the same title.
- 1.A(n) ____ is a compound formed when the negative ions form 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 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 posassium salt
- C.
Long hydrocarbon chain with sulfonic acid group
- D.
Long-chain fatty acid with sodium hydroxide
- 9.What 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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