Which of the following is a carbohydrate?
(1) Nylon
(2) Cane-sugar
(3) Turpentine
(4) Hydrogen peroxide
Answer: (2) Cane-sugar is a carbohydrate and, as this name implies, is composed of carbon, hydrogen, and oxygen. It is a source of extracting sugar. There are various types of sugar derived from different sources. Simple sugars are called monosaccharides and include glucose, fructose, and galactose. The table or granulated sugar most customarily used as food is sucrose, a disaccharide. Other disaccharides include maltose and lactose.