We have an amazing variety of shapes, styles, and sizes to suit every event, every personality and every winning attitude. To search through all our styles, use our tiara search tool. Or browse through these different sections which are sorted by size. These are our tiaras and crowns that are taller than 4 inches.
alkane-CnH2n+2 alkene-CnH2n alkyl-CnH2n+1 aldehyde-R-CHO where R is any alkyl group ketone-R-CO-R where R is any alkyl group cycloalkane-CnH2n. svetlana Â· 5 years ago.
Formaldehyde is a naturally-occurring organic compound with the formula CH 2 O. It is the simplest aldehyde and is also known by its systematic name methanal. The common name of this substance comes from its similarity and relation to formic acid.n 1996, the installed capacity for the production of formaldehyde was estimated to be 8.7 million tons per year. It is mainly used in the product of industrial resins, e.g., for particle board and coatings.