Introduction to chemistry

 

Chemistry is the branch of science which deals with the study of composition, properties and structures of matter and the changes which the matter undergoes under different conditions and the laws which govern these changes.

Main Applications of Chemistry

Chemistry has given us a large number of life raving druge Life saving drugs like cisplatin and taxol for cancer therapy and AZT (azidothymidine ) used for helping AIDS victims are latest contributions of chemistry in medicines

Chemistry for our comforts , pleasure and luxuries:
Chemistry has also pioneer contribution towards our comforts , pleasure and luxuries . It has given us building materials , synthetic fitures and variety of articles of domestic use . 

Chemical industries manufacturing fertilizers , acids , alkalies , salts , dyes , polymers , drugs , soape , detergents , metals , alloys and other organic and inorganic chemicals including new materials have improved our national economy .

Chemistry for giving us new material:
Chemistry for giving us new masterials In recent years chemistry has given us new materials such as super - conducting ceramics , conducting polymers , optical fibres , microalloys , carbon fibres , etc

Chemistry in war:
Chemistry has also increased the striking power of a country in war times . It is responsible for the dynamite , TNT ( trinitrotoluene ) , nitroglycerine , poisonous gases such as mustard gas, Phosgene and many deadly weapons such as atom bomb and hydrogen bomb

Chemical principles are playing key role in diverse areas such as weather patterns , functioning of brain and operation of computers 

Chemistry has helped in agriculture , food , medicine , warfare , transportation , computers and in our everyday life .

Chemistry for meeting our basic needs and necessities of life:

Chemistry has helped significantly in meeting human needs for food , health care products and other necessities of life 

Chemistry has provided chemical fertilizers , improved varieties of insecticides , fungicides and pesticides to increase the yield of crops and fruits .

The use of preservatives has helped to keep food materials for longer periods ,

Chemistry has also helped for better health and sanitation . The epidemics such as cholern , small pox , plague have now become things of the past .

The discovery of anaesthetics has made surgical operatione more and more successful 

Chemistry has niso given us a variety of drugs such as antipyreties (to lower body temperature in high fever ) , analgesies (to relieve pain ) , tranquilizers ( for treatment of stress and mental disease ) , antimicrobials ( to cure infections ) , antimalarials ( to treat malaria ) etc. 

Antibiotics wuch as penicillin , Amoxycillin , streptomycin and broad spectrum antibiotics such as tetracycline , chloramphenicol , etc. have cured a variety of diseases in war

Antifertility drugs have been world - wide used for birth control methods

It is difficult to imagine our life without chemistry.