AP Chemistry

The pH scale is a range from:

• 1-7

• 0-14

• 1-5

• 1-20

A(n) _______ is a substance with a pH greater than 7.

• Base

• Acid

• Buffer

• Water

A solution with a pH of 2.3 is

• Acidic

• Basic

• Neutral

• none of these

A solution with a pH of 7.0 would be...

• Acid

• Base

• Neutral

• Acid and Base

Complete the sentence.
A substance that is more basic has a _____ pH than a substance that is acidic.

• lower

• higher

• the same

• none of the above

Bleach is a strong base. What would you predict the pH of bleach is?

• 13

• 17

• 1

• 2

Tags

NGSS.MS-PS1-2

According to the pH range which substance is more acidic than lemon juice

• Hydrochloric acid

• cabbage

• milk

If a pH is too basic, what can be added to make the pH more acidic?

• Sulfuric Acid

• Sodium Hydroxide

• Water

• Calcium Carbonate

Buffers help keep pH constant by adding or absorbing

• H+

• Na+

• Cl-

• electrons

A(n) ______ is a substance with a pH less than 7

• Acid

• Alkaline

• Base

• Buffer