write answer in brief 2) uses of acids
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Uses of Acids
1. Hydrochloric Acid (HCl)
Dilute hydrochloric acid is used in various industries that use heating applications. It is applied to remove deposits from the inside of the boilers.
Hydrochloric acid is also used for cleaning sinks and sanitary ware.
2. Sulphuric Acid (H2SO4)
Sulphuric acid is such an important industrial chemical that it is called the king of chemicals. Some of its major uses are as follows:
Sulphuric acid is used in car batteries.
It is used in the manufacture of paints, drugs, dyes, and to produce fertilizers.
3. Nitric Acid (HNO3)
It is used by goldsmiths for cleaning gold and silver ornaments.
It is also used for the production of fertilizers such as ammonium nitrate.
4. Acetic Acid (CH3COOH)
Acetic acid is used directly to enhance the flavour of food. In fact, we commonly know acetic acid as vinegar.
It is also used as a cleansing agent in products meant for cleaning windows, floors, utensils, etc.
It also helps to remove stains on woodwork such as furniture and carpets.
Acetic acid is used as a preservative in pickles, etc. Most microorganisms cannot live in an acidic environment. An acidic environment either slows down their activities or can also kill them. This is why you will find vinegar in many commonly packaged food items such as pickles, sauce, ketchups, etc.
The following table shows the uses of some organic and inorganic acids.
Acid Uses
Organic acids
Citric acid
As a preservative for food
As a flavouring agent
Ascorbic acid (also called vitamin C)
In the treatment of bone marrow and scurvy diseases
Acetic acid
Added to pickles to make them sour
Tartaric acid
A component of baking power (baking powder is a mixture of sodium hydrogencarbonate and tartaric acid)
Inorganic acids
Hydrochloric acid
Its presence in the gastric juice helps digestion of food we eat.
As a bathroom cleaner
In the manufacture of polyvinyl chloride (PVC)
Nitric acid
Nitric acid present in rainwater forms nitrates in the soil which are then used by plants to obtain nitrogen.
In the manufacture of fertilizers like ammonium nitrate
In making explosives like TNT and dynamite
Sulphuric acid
In storage batteries
In the manufacture of fertilizers, paints and pigments, detergents and artificial fibre
In the manufacture of hydrochloric acid and alum
Phosphric acid
In fertilizer and detergent industries
Boric acid
In the manufacture of glass, glazes and enamels, leather, paper, adhesives and explosives
Widely used in detergents
As a grain preservative
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