AP Chemistry Unit 8 Acids and Bases

Which of these pH values represent an acid?

• 4

• 8

• 10

• 12

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

Which of the following is a property of a base?

• bitter taste

• reacts with metals

• salty

• sour taste

Which of the following pH values represents a base?

• 2.1

• 4.6

• 6.8

• 8.1

When dissolved in water, bases produce:

• acids

• salts

• hydrogen ions

• hydroxide ions

Which statement is true when acids and bases are mixed together?

• acids become stronger

• bases become stronger

• there is no change

• they neutralize each other

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a property of an acid?

• taste bitter

• turn pink litmus paper blue

• taste sour

• turn water yellow

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 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

A student collects information on two different liquids. The table compares each of the liquids. Based on the information given, which statement best describes liquids X and Y?

• Both liquids are acidic

• Both liquids are basic

• Liquid X is acidic, Liquid Y is basic

• Liquid X is a basic, Liquid Y is acidic

Answer explanation

pH less than 7 is acidic

pH greater than 7 is basic

Tags

SC.8.P.8.8