Black in colour, used in making motor tyres and printing ink, production of light and energy, making methyl alcohol, formaldehyde and chloroform etc. It is used in fruit ripening and fruits ...

Chemical compounds have a unique and defined chemical structure; they consist of a fixed ratio of atoms that are held together in a defined spatial arrangement by chemical bonds. Chemical ...

The chemical formula of a covalent molecular substance ... information about the formula of that compound. Names of these compounds have prefixes that give the number of atoms of certain elements ...

The Pennsylvania Department of Environmental Protection said Thursday it tested the air for six chemical compounds just southeast ... a mobile van for a smaller list of pollutants and toxics ...

However, the chemical components of traditional Chinese medicines are often complex, making the efficient discovery of novel active compounds a challenging task in natural product research.