Chemistry can be broadly divided into pure chemistry and applied chemistry


     Pure chemistry deals with the attempt to get better understanding of nature.

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     Pure chemistry is further divided into three main branches.oraganic 

      chemistry,inorganic chemistry and physical chemistry.These main branches 

      have been further divided into large number of sub-sections.The main branches 

      are described briefly as follows:

1.   Organic chemistry – This branch of chemistry deals with the study of structure,

       chemical composition and characteristics of compounds of carbon and 

       hydrogen elements and their derivatives.

2.    Inorganic chemistry- This branch concerns itself to the study of structure,

        composition and behaviour of the inorganic compounds,i.e the compounds 

        other than hydrocarbons or their derivatives.Such compounds are found in the 

       crust of the earth and constitute non-living matter.


         Applied chemistry deals with the application of the knowledge of chemistry 

         for the benifit of mankind.The different branches of applied chemistry are as 


 1.      Analytical chemistry- This branch involves collection of techniques which                      

          allows exact determination of the composition of the given sample of 

          material.It has been further divided into two categorie.

   a,  Qualitative analysis – It deals with the identification of various constituent particles (atoms,ions,molecules)present in the material.

   b,    Quantitative analysis-It deals with the estimation of various constituents

   in the material.

2.     Industrial chemistry- This branch deals with the chemistry involved in 

        different industrial processes such as manufacture of various chemical


3.     Biochemistry – This branch concerns itself to the study of matabolic pathways 

        and enzymology pertaining to living organisms.It deals with molecular,cellular

        and chemical activities of living organisms.

4.     Geochemistry – This branch deals with the chemical processes occuring on 

        earth such as metamorphism of rocks,formation of petrolium,etc.It also deals

        with the composition of soils and rocks.

5.     Petrochemistry- It  is branch of chemistry which deals with the transformation 

        of crude oil and natural gas into useful products and raw materials.

6.    Radiochemistry -It is branch of chemisrtry which deals with the study of radio

        active materials,both natural as well as man made.It also involves the use of 

       radiactive materials to study the pathways/mechanism of ordinary chemical


7.    Biotechnology- It refers to the technological application which uses biological

       systems,living organisms or their creativities to make or modofy products or

       process for specific use.Biotechnology infact,combines various disciplines like

       genetics,molecular biology,biochemistry,embryology and cell biology for 

       developing for beneficial effects.

8.    Medicinal or pharmaceutical chemistry- It is scientific discipline at the 

        intersection of chemistry and pharmacology which is involved with designing 

        synthesizing and developing phramaceutical drugs.Medicinal chemistry 

       involves the identification,synthesis and development of new chemical entities

       suitable for interdisciplinary science that combines organic chemistry with

       biochemistry,phrmacology,molecular biology,statistics and physical chemistry.

  Environmental chemistry- It is a branch of chemistry which deals with scientific 

        study of chemical and biochemical phenomena that occur in natural places.

        Environmental chemistry is also an interdisciplinary science that includes 

        atmospheric,aquatic,and soil chemistry along with analytical chemistry.

        environmental studies and other areas if science.