Which of the following statements about buffers is untrue?
A) The pH of a buffer solution cannot change.
B) Addition of small amounts of acid to a buffer changes the pH.
C) Addition of small amounts of base to a buffer changes the pH.
D) A salt from the reaction of a strong acid and a strong base can be used to make a buffer.
E) None of the above are true.
Question 2
Radioactivity is a tendency for an element or a material to ________.
A) emit radiation
B) emit light
C) emit electrons
D) glow in the dark
E) radiate heat
The titration curve of the buffer acetic acid (CH3COOH)
Benedict's Solution
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