1.Organic chemistry is the study of the structure, properties, composition, reactions, and preparation of carbon-containing compounds. Most organic compounds contain carbon and hydrogen, but they may also include any number of other elements (e.g., nitrogen, oxygen, halogens, phosphorus, silicon, sulfur).
2.Inorganic chemistry deals with synthesis and behavior of inorganic and organometallic compounds. This field covers chemical compounds that are not carbon-based, which are the subjects of organic chemistry.
3.Physical Chemistry branch of chemistry concerned with interactions and transformations of materials. Unlike other branches, it deals with the principles of physics underlying all chemical interactions (e.g., gas laws), seeking to measure, correlate, and explain the quantitative aspects of reactions.
4.Analytical chemistry is the science of obtaining, processing, and communicating information about the composition and structure of matter. In other words, it is the art and science of determining what matter is and how much of it exists.
5.Stereochemistry is the branch of chemistry that involves “the study of the different spatial arrangements of atoms in molecules”. Stereochemistry is the systematic presentation of a specific field of science and technology that traditionally requires a short preliminary excursion into history.
6.Biochemistry explores chemical processes related to living organisms. It is a laboratory-based science combining biology and chemistry. Biochemists study the structure, composition, and chemical reactions of substances in living systems and, in turn, their functions and ways to control them.
7.Geochemistry Geochemistry can be broadly defined as the science concerned with all geological studies involving chemical change (Clarke, 1924). It includes the study of the distribution of elements in minerals, rocks, and soils along with the interaction between these earth materials.
8.Forensic Chemistry can be defined as the practice of application of our knowledge in the field of chemistry to solve crimes. A forensic chemist can assist in the identification of unknown materials found at a crime scene.
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