Chemistry - The science that studies the composition, structure, material properties and the conversion of these substances and the laws that govern these transformations. The age in which we live called "the century of chemistry." In recent years, the development of this industry reached its peak in comparison with previous periods. Modern chemistry is closely linked to all sectors of the economy. The relationship of chemistry with other sciences, formulate distinguish intermediates of science like physical chemistry, geochemistry, biochemistry, and many others. Health, Beauty, metallurgical and fuel industry - is only a small part of the industries that simply ...