(a) Which acid is produced in our stomach? Write its chemical formula.
(b) What is the use of this acid?
(c) What happens if there is an excess of acid in the stomach?
(d) How can its effect be cured?
(a) Our stomach produces hydrochloric acid. Its chemical formula is HCl.
(b) This hydrochloric acid helps in digesting our food without harming the stomach.
(c) Excess of acid in the stomach causes indigestion which produces pain and irritation.
(d) In order to cure indigestion and get rid of pain, we can take bases called antacids. These are a group of mild bases which have no toxic effects on the body. Being basic in nature, they react with excess acid in the stomach and neutralise it.
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