Acids, Bases, pH

Which of the following are properties of acids?

• They conduct electricity when dissolved in water

• They taste sour

• They react with metals to produce hydrogen gas

• All of the answer choices are correct

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

Label the pH Scale

a

b

c

Acids

Bases

Neutral

Label the correct spot on the pH scale

g

h

f

e

d

a

b

c

Neutral

Stomach Acid

Drain Cleaner

Fresh Water

Base/Alkaline

Acidic

Battery Acid

Soap

Which of the following pH values represents a base?

• 2.1

• 4.6

• 6.8

• 8.1

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

• 6.5

• 7.8

• 4.2

• 12.2

Which of these pH values represent an acid?

• 4

• 8

• 10

• 12

Is this substance acidic, basic, or neutral?

• Acidic

• Basic

• Neutral