Which of the Following Statements About Buffer Solutions Is True

question 119

Multiple Choice

Which of the following statements about buffer solutions is true?

• A)They maintain a constant pH when bases are added to them but not when acids are added to them.
• B)They maintain a constant pH when acids are added to them but not when bases are added to them.
• C)They maintain a relatively constant pH of approximately 7 when either acids or bases are added to them.
• D)They maintain a relatively constant pH when either acids or bases are added to them.
• E)They are found only in living systems and biological fluids.