Acids and Bases

Which of the following is the strongest acid?

• 1

• 5

• 3

• 8

Which of the following is the strongest base?

• 4

• 14

• 7

• 15

Which of the following is a characteristic of an acid?

• bitter

• slippery

• sour

• releases hydroxide ions in water

What does a base release when placed in water?

• hydroxide ions (OH-)

• hydrogen ions (H+)

• ions

• molecules

What does an acid release when placed in water?

• hydroxide ions (OH-)

• hydrogen ions (H+)

• ions

• nothing

A substance with a pH of 7 is which of the following?

• acid

• base

• neutral

A substance with a pH of 5 is which of the following?

• acid

• base

• neutral

A substance with a pH of 11 is which of the following?

• acid

• base

• neutral

What is a base?

• Has a pH of 3
• Has a pH of 7
• substances that are slippery to the touch; turns red litmus paper blue

Which of the following statements about acids is true?

• They taste sweet.
• They taste sour.
• They have a pH between 8-14.