sentence: Many aldehydes have strong smells.
sentences_before: Aldehydes have many different properties. These properties change a lot if the rest of the molecule changes. Smaller aldehydes are more soluble in water. Formaldehyde and acetaldehyde are completely soluble in water.
sentences_after: Aldehydes will break down in air.
concept_name: aldehyde
headings: Aldehyde Physical properties and characterization
categories: Organic compounds Functional groups