GCSE Edexcel Alcohols and carboxylic acids - Edexcel Alcohols Alcohols contain the –OH functional group. Ethanol is made from sugars by fermentation, and concentrated using fractional distillation.

In chemistry, an amino acid is a molecule that contains both amine and carboxyl functional groups. In biochemistry, this term refers to alpha-amino acids with the general formula H2NCHRCOOH, where ...

The functional group (-COO) is known as the ester link. The main use of esters is for flavourings and perfumes, however they can also be used in the chemicals industry as solvents.