pH Biology review

What does pH measure?

• the amount of hydrogen (H⁺) ions

• the amount of hydroxide (OH^-) ions

• amount of water

• all of the above

Which of the following is the strongest acid?

• 1

• 5

• 3

• 8

Which of the following is the strongest base?

• 4

• 14

• 7

• 15

What is the pH of blood?

• 7.0

• 7.4

• 7.8

• 8.0

Tags

NGSS.HS-LS1-3

Which of the following is a characteristic of a base?

• bitter

• sour

• corrosive

• releases hydrogen ions in water

Which of the following is a characteristic of an acid?

• bitter

• slippery

• sour

• releases hydroxide ions in water

What is a mixture of chemicals that react with a base/acid to keep pH in a particular range?

• catalyst

• enzyme

• water

• buffer

A substance with a pH of 8 is...

• a weak base

• a weak acid

• a strong base

• a strong acid

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

• acid

• base

• neutral

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

• acid

• base

• neutral