Acids, Bases and pH

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

• Acid
• Alkaline
• Base
• Buffer

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

• Hydrochloric acid
• cabbage
• milk

Which is more acidic?

• pH 6

• pH 7

• pH 3

• pH 10

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

• Base
• Acid
• Buffer
• Water

On the pH scale, an acid is a compound that produces a solution with a pH __________ 7.

Which is more basic/alkaline?

• pH 7

• pH 4

• pH 10

• pH 12

On the pH scale, a base is a compound that produces a solution with a pH __________ 7.

What pH does a neutral substance have?

• 5

• 6

• 7

• 8

Which of the following is the weakest acid?

• bananas (pH 5)

• tomatoes (pH 4)

• cheese (pH 6)

• orange juice (pH 3)

The purpose of a buffer is to ___________.

• Neutralize an acid or base and maintain pH.

• Make your car's new wax look shiny.

• Add volume to your hair.

• All of the above.