Question

The main cause of acidity in the stomach is :

• A. release of extra gastric acids which decrease the pH level
• B. indigestion and pain in large intestine
• C. increase the pH level in stomach
• D. release of extra bile juice which increases alkaline medium in stomach

Answer 1

The correct option is A release of extra gastric acids which decrease the pH level

An antacid is a substance which neutralises stomach acidity and is used to relieve heartburn, indigestion or an upset stomach.

Antacids contain alkaline ions that chemically neutralise stomach gastric acid, reducing damage and relieving pain.

Gastric acid is a digestive fluid formed in the stomach and is composed of hydrochloric acid ($HCl$), potassium chloride ($KCl$) and sodium chloride ($NaCl$). If gastric acid is released in the stomach the Ph level decreases and thereby increasing acidity in the stomach.