Which of the Following Statements Is True About Buffer Solutions

question 18

Multiple Choice

Which of the following statements is true about buffer solutions?

• 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.

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