When itâs time to spay your dog. She can be spayed any time after eight weeks of age, and preferably before her first heat for the best health benefits. The first heat cycle occurs somewhere around six months of age, depending on the breed.hen itâs time to spay your dog. She can be spayed any time after eight weeks of age, and preferably before her first heat for the best health benefits. The first heat cycle occurs somewhere around six months of age, depending on the breed.
Definition: An alcohol is a substance containing an OH group attached to a hydrocarbon group. Examples: ethyl alcohol or ethanol: C2H5OH; butyl alcohol or butanol: C4H9OH. Up Next. Up Next.
Alcohols, carbonyl compounds and carboxylic acids. Alcohols, carbonyl compounds and carboxylic acids form an important group of substances involved in many chemical reactions of intermediate metabolism. Alcohols are characterized by the presence of OH-functional group. Depending on the number of these groups in the molecule, alcohols can by mono-, di-or poly hydric.