pH of Weak Acids and Bases

Which pH number below reflects a weak acid?

• 1

• 6

• 8

• 13

Which pH number below reflects a weak base?

• 1

• 6

• 8

• 13

Mixing equal portions of an acid and a base should give us a mixture with a pH near

• 3

• 10

• 7

• 0

Which of the following substances is basic?

• Apple juice

• Ginger ale

• Baking soda

• Distilled water

Milk is a very weak acid. What might its pH value be?

• 6.5

• 7.8

• 4.2

• 12.2

Wyatt is conducting an experiment to test the acidity of different liquids. He finds that milk is a very weak acid. What might its pH value be?

• 6.5

• 7.8

• 4.2

• 12.2

Tags

NGSS.MS-PS1-2

Which of the following pH values represents a base?

• 2.1

• 4.6

• 6.8

• 8.1

Which of these pH values represent an acid?

• 4

• 8

• 10

• 12

Label the correct spot on the pH scale

g

h

f

e

d

a

b

c

Soap

Base/Alkaline

Fresh Water

Acidic

Neutral

Stomach Acid

Battery Acid

Drain Cleaner

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

• 3

• 5

• 7

• 9

• 11