PH Quiz

The pH scale is a range from:

• 1-7

• 0-14

• 1-5

• 1-20

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

• Hydrochloric acid

• cabbage

• milk

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

• 13

• 14

• 1

• 2

Another name for an alkaline substance is a(n) ________.

• Acid

• Base

• Covalent bond

• Solution

What is the main difference between acids and bases according to the pH scale?

• Acids have a pH above 7, and bases have a pH below 7.

• Acids have a pH below 7, and bases have a pH above 7.

• Acids and bases both have a pH of 7.

• There is no difference in pH levels between acids and bases.

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

What is the only substance with a neutral pH of 7?

• Milk

• Orange Juice

• Water

• Blood

A pH of 3 is how many times more acidic than a pH of 5?

• 2

• 20

• 10

• 100

If you have a substance with a pH of 7.1 it is a(n).....

• Acid

• base