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Chemistry in Everyday Life
We know that chemistry is a big part of our everyday life in various fields such as food, air, metabolic system of body, and medicines etc.
It is an important part of our life and this is because everything we are using is composed of different chemicals.
Any change in our surrounding is also related to either chemical or physical change in the substances.
The chemical changes are associated with change in the chemical composition or change in colour or odour of the substances.
Chemical changes or chemical reactions are also associated with the formation of precipitate or colour solution.
Physical changes involve with the change in the physical state of matter from solid to liquid or liquid to gas etc.
The change in colour of leafs or cooking of food are also examples of chemical changes.
The household chemicals such as mosquito repellents, drugs, and plastic materials are also chemical substances.
All types of plastics are polymers which are chemical compounds composed of similar or different monomer units.
These monomer units are either bonded through condensation reaction or by addition reactions.
On the basis of these reactions, polymers can be classified as additional and condensation polymers.
The properties of polymers depend upon the structural units of monomer and the chemical reactions which are involved in the formation of polymer molecules.
Polymers can be both synthetic and natural such as PVC, nylon-6,6, nylon-6 are synthetic polymer but cellulose, starch, cotton are natural polymers.
Biological molecules such as DNA, RNA, and proteins are polymeric in nature.
Another example of chemical which we are using in our everyday life is cleaners such as soaps, detergents etc.
Usually soaps are Sodium or Potassium salts of fatty acids which can divide in two parts; tail part is a long hydrocarbon chain while head part is Carboxylate group which is hydrophilic in nature.
The tail or hydrocarbon part of soap molecule is hydrophobic in nature and cannot dissolve in water but can be in dirt or oil.
The micelles formation by soap molecules results the detachment of dirt part from the cloth surface and show the soap action.
Let’s discuss about another chemical that is drug. They are chemical compounds which could show both positive and negative types of effect on human beings.
These drugs could be subdivided into various categories and one of such is the amphetamine which is basically a stimulant.
These chemicals are found to be good for health and they help in recovery in several diseases but if taken within the safe limit or certain concentration only.
The drug abuse is a very common issue in almost all the countries.
Alcohol is one of best example of drug and yet another example is the tobacco abuse which is very common in India.
It is basically the dried tendu leaves which contain the drug nicotine.
It acts as an stimulant or relaxant after ingestion either through smoke, snuff, dipped or chewed.
The ingestion of it can lower the blood pressure and heart rate as well.
Up to a certain level, it can act as an stimulant but if taken at higher doses, it could imbalance the O2 level of the body and act as a relaxant or sedative.
The longer abuse of this could cause chronic lung disease, heart diseases like stroke, addiction and many different types of cancerous growth.
The presence of nicotine activates the brain of a living body and produces sensations of pleasure and euphoria.
It shows instant effect on human body; therefore it could be mistaken for tons of “hits” a day and become habitual of it.
Usually it is inhaled through smoking or even oral ingestion. Other examples of drugs are Sulphonamide, histamines etc.