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

• 3

• 5

• 7

• 9

• 11

Which is the stronger acid?

• pH 1

• pH 4

• pH 8

• pH 13

The strongest bases have pH values close to

• 0

• 14

• 7

• 5

Which of these pH values represent an acid?

• 4

• 8

• 10

• 12

A substance that is 3 on the pH scale would be a(n):

• acid

• base

• neutral

• solute

Which one of the following is an example of a base?

• orange juice
• dish soap
• vinegar
• lemons

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

• blue
• black
• green
• red

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

• blue
• black
• green
• red

Bases are located where on the pH scale?

• any number can be a base
• below 7
• above 7
• number 7 is a base

A substance that is a 10 on the pH scale would be a(n) ____.

• acid
• neutral
• base
• indicator