Which of the Following Statements Are True When Referring to a Buffer

Multiple Choice

Which of the following statements are true when referring to a buffer solution? Please select all that apply.

A) A buffer can consist of a weak acid and its salt.
B) A buffer solution is resistant to addition of small quantities of acid.
C) A buffer can consist of a weak base and its salt.
D) A buffer solution is resistant to addition of small quantities of base.