21C pH Acid Base

Neutral solutions have a pH of

• pH of 2

• pH of 10

• pH of 7

• pH of 0

A(n) ______ is a substance with a pH less than 7

• Acid
• Alkaline
• Base
• Buffer

A(n) _______ is a substance with a pH greater than 7.

• Base
• Acid
• Buffer
• Water

A solution with a pH of 8.6 would be...

• Acid
• Base
• Neutral
• Acid and Base

A solution with a pH of 3.6 would be...

• Acid
• Base
• Neutral
• Acid and Base

A pH of 3 is how many times more acidic than a pH of 5?

• 2

• 20

• 10

• 100

An acid that very easily and completely ionizes when it dissolves in water is a...

• strong acid

• weak acid

• weak base

• strong base

Ammonia (NH₃) only partially dissociates into ions in water. This makes it a...

• strong acid

• weak acid

• weak base

• strong base

Sodium hydroxide (NaOH) dissociates completely in water producing a high concentration of hydroxide ions. This makes it a...

• Acid

• Strong base

• Weak base

• Strong acid

A solution that is a good conductor of an electrical current because of its many ions.

• Acid

• Base

• Energy Drink

• Electrolyte