Formulations based upon potassium bicarbonate (Purple K) are found to be about _____ as effective as those based on sodium bicarbonate.
a. Half.
b. The same.
c. Twice.
d. Three times.
e. Five times.
Answer: C
Formulations based upon potassium bicarbonate (Purple K) are found to be about _____ as effective as those based on sodium bicarbonate.
a. Half.
b. The same.
c. Twice.
d. Three times.
e. Five times.