Disaccharides are one of the chemical groupings of carbohydrates. Sugars that have two molecules are called disaccharides. Sucrose and lactose are two disaccharides.

Disaccharide
Disaccharide Wikipedia.org A disaccharide or biose[1] is the carbohydrate formed when two monosaccharides undergo a condensation reaction which involves the elimination of a small molecule, such
Sucrose
Sucrose By Sue Eggling Clackamas Community College Numerous equation diagrams on the formation of sucrose.
Sucrose
Sucrose Dictionary of Botany Sucrose is one kind of disaccharide; read all about it here.
What is Sucrose?
What is Sucrose?, Benefits-of-honey.com, White sugar, cane sugar, table sugar...what's the difference between them? Visit this web page to learn more.