I WONDER - What Is Stomach Acid?

The video explains the strength and function of stomach acid, specifically hydrochloric acid, which is strong enough to digest organs and dissolve metals. It has a pH between one and two, aiding in food digestion and killing harmful bacteria. The stomach is protected from this acid by a thick layer of mucus.

What are some substances that hydrochloric acid can dissolve?

What is the pH range of hydrochloric acid in the stomach?