Which one of the following is a water soluble vitamin?
A
Vitamin A
B
Vitamin C
C
Vitamin D
D
Vitamin K
Correct Answer: Vitamin C
The water - soluble vitamins include ascorbic acid (vitamin C), thiamin, riboflavin, niacin, vitamin B6 (pyridoxine, pyridoxal, and pyridoxamine), folacin, vitamin B12, biotin, and pantothenic acid.