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Chemistry is a natural science which studies matter. The origins of today's chemistry come from the ancient times. It used to be called alchemy - there were the attempts to turn iron into gold. Today chemistry just scrutinizes the ingredients of different matters, their atomic structure and the processes that happen while different substances are being mixed. What is more, chemistry as a science is associated with providing an explanation for the forenamed processes in the form of a law. To perform the chemical experiments, that is essential to be good in physics and biology.

Inorganic chemistry, organic chemistry analytical chemistry, physical and biological chemistry are the chapters of general definition “Chemistry”.

Organic chemistry is called organic due to it was thought that organic combinations had something to do with life. It was an incorrect idea. As it turned out, a lot of organic components are not related to any living objects of life processes. Some inorganic components as cooper or iron, for example, play the essential part in the in the reactions of living organisms.

The substances that include carbon and hydrogen are the first objects of experiments executed by organic chemistry. Their characteristics are studied in detail and the outcomes of analysis are very useful. Organic combinations are widely utilized in a variety of goods, including plastics, foods, drugs, etc.

Analytical chemistry studies composition of organic and inorganic substances. The molecules and atoms of the substance are studied in details by this science. It also performs the researches to determine the combination and characteristics of given elements. Analytical and physical chemistry are very similar, because they study the same reactions but take some various data from them. As is aimed on experiment and stable facts, its finding are helpful for biomedical or environmental tracking.