Question

explain any two neutralization reactions happening in our daily life​

Answer 1

Answer:

Indigestion: Sometimes, the stomach produces too much hydrochloric acid, called hyperacidity, which causes indigestion. The acid is neutralised by taking a tablet (antacids) containing calcium carbonate, aluminium or sodium hydrogencarbonate.

Step-by-step explanation:

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Answer 2

Answer:

Antacids contains bases such as aluminium hydroxide, Al(OH)3 and magnesium hydroxide, Mg(OH)2 to neutralise the excess acid in the stomach. Vinegar is used to cure wasp stings that are alkaline in nature. Baking powder is used to cure bee stings and ant bites that are acidic in nature.

A salt is any compound which can be derived from the neutralization of an acid and a base. The word "neutralization" is used because the acid and base properties of H+ and OH- are destroyed or neutralized. In the reaction, H+ and OH- combine to form HOH or H2O or water molecules. A neutralization is a type of double replacement reaction. A salt is the product of an acid-base reaction and is a much broader term then common table salt as shown in the first reaction.

The following are some examples of neutralization reactions to form salts.

a. HCl + NaOH --> NaCl + HOH

b. H2SO4 + 2 NH4OH --> (NH4)2SO4 + 2 HOH

c. 2 NaOH + H2CO3 --> N2CO3 + 2 NaOH

See the graphic on the left. Carbon dioxide in the breath reacts first with the water to form carbonic acid:

CO2 + H2O --> H2CO3

The carbonic acid then further reacts with the lime water in the neutralization reaction. The phenolphthalein is pink in the presence of base and turns colorless when all of the base has been neutralized and there is a slight excess of the carbonic acid.

d. Lime water: Ca(OH)2 + H2CO3 --> CaCO3 + 2 HOH

Practice:

HNO3 + KOH --> +

H3PO4 + 3 NaOH --> +

The non-metal oxide gases react with water to produce acids (ammonia produces a base).

Example:

SO2 + HOH === H2SO3

2 NO2 + HOH === HNO2 + HNO3

Cl2 + HOH === HClO + HCl

SO3 + HOH-->

NH3 + HOH -->

Step-by-step explanation:

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