Q.

Which of the digestive organs contains acid?

A. Stomach
B. Small intestine
C. Appendix
D. Colon
Answer» B. Small intestine
Explanation: Gastric acid, gastric juice or stomach acid, is a digestive fluid, formed in the stomach. It is composed of hydrochloric acid (HCl), potassium chloride (KCl) and sodium chloride (NaCl). Gastric acid plays a key role indigestion of proteins, by activating digestive enzymes.
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