Question

what is acid?how are they produced?

Answer 1

an acid is corrosive in nature

Answer 2

a substance with particular chemical properties including turning litmus red, neutralizing alkalis, and dissolving some metals; typically, a corrosive or sour-tasting liquid of this kind


The main constituent of gastric acid is hydrochloric acidwhich is produced by parietal cells (also called oxyntic cells) in the gastric glands in the stomach. ... Parietal cells contain an extensive secretory network (called canaliculi) from which the hydrochloric acid is secreted into the lumen of the stomach.