Chemical Reaction Unit Test Practice

Bases have many uses. They are mainly used to make

• cleaning products

• soaps

• fertilizer

• all of the answer choices

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

• 3

• 5

• 7

• 9

• 11

The pH scale is a range from:

• 1-7

• 0-14

• 1-14

• 1-20

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 of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.

• Acids; pH less than 7

• Acids; pH greater than 7

• Bases; pH greater than 7

• Bases; pH less than 7

Which of the following is the strongest base?

• oven cleaner - 13.5

• lemon juice - 2.5

• soap - 10

• blood - 7.4

Which of the following is true about acids and bases?

• The lower the pH, the stronger the acid

• the higher the pH, the stronger the acid

• The lower the pH, the more neutral the acid

• The higher the pH, the weaker the base

Which of the following is a property of a base?

• sticky feel

• slippery feel

• reacts with metals

• sour taste

Which of the following is a property of an acid?

• slippery feel

• bitter taste

• sour taste