Sugar Sugar Sugar is the generic name for sweet-tasting, soluble carbohydrates, many of which are used in food. The various types of sugar are derived from different sources. Simple sugars are called monosaccharides and include glucose (also known as dextrose), fructose, and galactose. "Table sugar" or "granulated sugar" refers to sucrose, a disaccharide of glucose and fructose. In the body, sucrose is hydrolysed into fructose and glucose. Sucrose is used in prepared foods (e.g. cookies and cakes), is sometimes added to commercially available beverages, and may be used by people as a sweetener for foods (e.g. toast and cereal) and beverages
Proper noun so with proper names more generally: they may only be unique within the appropriate context. For instance, India has a ministry of home affairs (a common-noun phrase) called the Ministry of Home Affairs (its proper name). Within the context of India, this identifies a unique organization. However, other countries may also have ministries of home affairs called "the Ministry of Home Affairs", but each refers to a unique object, so each is a proper name. Similarly, "Beach Road" is a unique road, though other towns may have their own roads named "Beach Road" as well. This is simply a matter