It is common to describe an individuals character in informal conversation and formal communications such as a character reference. Two stereoisomers of the aldohexose sugars are known as glucose only one of which D-glucose is biologically active. D Glucose C6h12o6 Pubchem Get some inspiration for adding some extra detail and personality into your vocabulary. . Which of the following does NOT describe a pure sample of glucose C6H12O6. 20 Words Used To Describe Specific Tastes And Flavours. In chemistry a pure substance consists of only one type of atom molecule or compound. Monosaccharides are the simplest form of carbohydrates. It can contain atoms that can make up other molecules but it cant actually contain other molecules. - Matter is anything that occupies spaces and has mass. The presence of glucose can be qualitatively measured with paper testing strips that turn color to indicate the presence of gl...