AP Chemistry Acids and Bases

The strongest bases have pH values close to

• 0

• 14

• 7

• 5

If the substance is neutral, what would the pH be?11

• 3

• 5

• 7

• 9

• 11

Which of the following is a base?

• orange juice

• water

• vinegar

• dishwashing detergent

Pure water has a pH of 7. Pure water _______.

• is a base

• is a neutral substance

• could be either an acid or a base

• is an acid

Neutral solutions have a pH of:

• 0

• 1

• 7

• 14

Is pure water acidic, basic, or neutral?

• Acidic

• Basic

• Neutral

Vinegar is an example of:

• An acid.

• A base.

• Neither an acid nor a base.

Tags

NGSS.MS-PS1-2

A sour taste is a characteristic of:

• acids

• bases

• neutral

• pH scale

What is being donated/accepted between conjugate acid-base pairs?

• a hydrogen (H+) ion

• a hydroxide (OH-) ion

• water

• a neutron

What color does litmus paper turn in the presence of an acid?

• blue

• black

• green

• red