2. Sulfuric acid
Sulfuric acid is NOT found in gastric acid.
More information:
Gastric juice is a unique combination of hydrochloric acid (HCl), lipase, and pepsin. Acidic gastric juice is found in all vertebrates, and its main function is to inactivate microorganisms.
Stomach juice is a combination of hydrochloric acid (HCl), lipase, and pepsin.