Acids and Bases

Which of the following is a characteristic of a base?

• bitter

• sour

• corrosive

• releases hydrogen ions in water

A substance with a pH of 8 is...

• a weak base

• a weak acid

• a strong base

• a strong acid

An acid can be corrosive.

• True

• False

Which pH has the most hydrogen ions (H+)?

• 2

• 7

• 10

• 13

As the number of hydrogen ions (H⁺) decreases, the pH ___________.

• increases

• decreases

• stays the same

Which of the following are properties of acids?

• They conduct electricity when dissolved in water

• They taste sour

• They react with metals to produce hydrogen gas

• All of the answer choices are correct

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

• 3

• 5

• 7

• 9

• 11

Which of the following pH values represents a base?

• 2.1

• 4.6

• 6.8

• 8.1

Which is the stronger acid?

• pH 1

• pH 4

• pH 8

• pH 13

Which of the following is a base?

• baking soda in water

• orange juice

• vinegar

• lemonade