Which of the following mineral acids is found in human stomach?
A. Hydrochloric acid B. Lactic acid C. Uric acid D. Methanoic acid Solution: A Hydrochloric acid is found in the human stomach. Its chemical formula is HCl, and it helps in digestion by decomposing complex, large food molecules into simpler ones. The acid activates the pepsinogen enzyme, which is necessary for protein digestion. It also kills dangerous germs in the stomach. Hence, (a) is the correct answer. Know more about Vitamins and Minerals and their deficiency diseases .