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| WikiPedia definition of "chemical" |
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Chemistry (from Egyptian kēme (chem), meaning "earth") is the science concerned with the composition, structure, and properties of matter, as well as the changes it undergoes ...
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Chemical warfare involves using the toxic properties of chemical substances to kill, injure or incapacitate an enemy. Chemical warfare is different from the use of conventional ...
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A chemical compound is a substance consisting of two or more different elements chemically bonded together in a fixed proportion by mass. ...
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A chemical substance is a material with a specific chemical composition. It is a concept that became firmly established in the late eighteenth century after work by the chemist ...
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The chemical industry comprises the companies that produce industrial chemicals. It is central to modern world economy, converting raw materials (oil, natural gas, air, water ...
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In the field of engineering, a chemical engineer is the profession in which one works principally in the chemical industry to convert basic raw materials into a variety of products ...
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A chemical element is a substance that cannot be divided into smaller chemical parts. The smallest particle of such an element is an atom. Atoms are made up of protons, neutrons ...
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The Chemical Corps is the branch of the United States Army tasked with defending against Chemical, Biological, Radiological, and Nuclear weapons.
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A chemical plant is an industrial process plant that manufactures (or otherwise processes) chemicals, usually on a large scale. The general objective of a chemical plant is to ...
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From the Simple English Wikipedia, the free encyclopedia that anyone can change
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