What is a neutralisation reaction ?

What is a neutralisation reaction ? Give two examples.

A reaction in which an acid and base react with each other to give a salt and water is termed as neutralisation reaction. In this reaction, energy is evolved in the form of heat.

For example,

What is a neutralisation reaction

(ii) During indigestion (caused due to the production of excess of hydrochloric acid in the stomach),we administer an antacid (generally milk of magnesia, $\mathrm{Mg}(\mathrm{OH})_{2}$ which is basic in nature). The antacid neutralises the excess of acids and thus gives relief from indigestion.

$\mathrm{Mg}(\mathrm{OH})_{2}+2 \mathrm{HCl} \rightarrow \mathrm{MgCl}_{2}+2 \mathrm{H}_{2} \mathrm{O}$

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