pH Balance

When placed in order from highest to lowest pH, which of the following substances is closest to neutral and is a base?

• Antacid

• Black coffee

• Baking Soda

• Apple Juice

A base has a pH level from ....

• 0-6

• 7

• 8-14

• none of the above.

On the pH scale 7 is known as...

• acid

• base

• neutral

• none of the above

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

• 3

• 5

• 7

• 9

• 11

Label the correct spot on the pH scale

g

h

f

e

d

a

b

c

Base/Alkaline

Acidic

Soap

Stomach Acid

Fresh Water

Drain Cleaner

Neutral

Battery Acid

Tags

NGSS.MS-PS1-2

Which of these pH values represent an acid?

• 4

• 8

• 10

• 12

Which of the following pH values represents a base?

• 2.1

• 4.6

• 6.8

• 8.1

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

The strongest bases have pH values close to

• 0

• 14

• 7

• 5

Is this substance acidic, basic, or neutral?

• Acidic

• Basic

• Neutral

Tags

NGSS.MS-PS1-2