A(n) __________ is a compound formed when the negative ions from an acid combine with the positive ions from a base.
__________ are solutions containing ions that react with acids or bases to minimize their effects.
Which of the following bases can be ingested safely?
The __________ of a solution is a measure of the concentration of hydronium ions in it.
__________ is a chemical reaction between an acid and a base that takes place in a water solution.
In chemical equations describing ionization, what do double arrows pointing in opposite directions indicate?
|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.|
Which of the following statements about bases is NOT true?
|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.|
Which two terms refer to the amount of acid or base dissolved in solution?
|A)||strong and dilute|
|B)||strong and weak|
|C)||dilute and concentrated|
|D)||weak and concentrated|
Which two groups does a soap molecule contain?
|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|
A(n) __________ is an organic compound that changes color in acid.
Which three acids are used in fertilizers?
|A)||phosphoric, carbonic, and ascorbic|
|B)||nitric, acetic, and sulfuric|
|C)||acetic, carbonic, and hydrochloric|
|D)||nitric, sulfuric, and phosphoric|
A(n) __________ is an organic compound formed by the reaction of an organic acid and an alcohol.
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|
Which of the following substances contains a base?
Which of the following has the highest pH?
Which of the following statements about acids is NOT true?
|A)||Acids form hydroxide ions in solution.|
|B)||Many foods contain acids.|
|C)||Acids taste sour.|
|D)||Acids are corrosive.|
A(n) __________ is a substance that produces hydrogen ions in solution.
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.|
Which of the following acids is NOT edible?
__________ are organic salts.