Acids and Alkali

The pH scale is a range from:

• 1-7
• 0-14
• 1-5
• 1-20

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

• Acid
• Alkaline
• Base
• Buffer

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

• Base
• Acid
• Buffer
• Water

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

• Sulfuric Acid
• Sodium Hydroxide
• Water
• Calcium Carbonate

A solution with a pH of 3.6 would be...

• Acid
• Base
• Neutral
• Acid and Base

Acids typically taste

• sour

• sweet

• both

both acids and bases are corrosive

• true
• false

Neutralization happens when acids and base combine

• True
• false

Bleach is a strong base, what is the pH level of bleach?

• 13
• 14
• 1
• 2

Litmus paper is an indicator of acids and bases, it turns red for bases.

• True
• false