1. A buffer solution could be prepared from
a.) NaCl and HCl

b.) NaOH and HCl

c.) NH4Cl and NH4OH

d.) NaCN and KCN

2. The pH of a buffered solution

a.) always equal to 7

b) Maybe acidic or basic depending on the buffer

c.) Is equal to the product of (H+) and (OH-)

d.) Changes drastically when a small amount of a strong acid is added.

3. Acid is added to a buffer consisting of a weak acid and it's salt NaX. Which of the following represents a reaction that takes place as the buffer functionality

a.) HX ---> H++X-

b.) Na----> Na++X-

c.) H++X-----> HX

d.) Na++X----->Na

4. The major buffer system in blood is compound of

a.) Na+ and Cl-

b.) HCO3- and H2CO3

c.) HSO4- and H2SO4

d.) NH4+ and NH4OH