Gastric juice is a liquid produced by the stomach which is essential for breaking down food and absorbing nutrients. It is made up of hydrochloric acid, enzymes (such as pepsin), water and salts.

Acids have a sour taste – but it is much too dangerous to taste a liquid to find out if it is an acid! So, other ways of detecting acids need to be used. Strong acids such as hydrochloric acid ...

Gastric juice is a liquid produced by the stomach which is essential for breaking down food and absorbing nutrients. It is made up of hydrochloric acid, enzymes (such as pepsin), water and salts.