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Chemistry is the branch of science which deals with the composition, properties, chemical changes in matter and the law and principles, which govern these changes.
Chemistry is defined as the science that examines the materials of the universe and the changes that these materials undergo.
The word chemistry is derived from Kheem which is the ancient name of Egypt and the word Kheem was given to the due to the black color of the soil of Egypt. The science of Khemia flourished in the early civilization of Egypt and Greece. The Arabs named it Al-Kimiya in their own language and in the English, it became Alchemy.