Sodium and chloride ions make up common table salt. Table sugar contains molecules of glucose and fructose chemically combined. Glucose and fructose contain the elements carbon, hydrogen, and oxygen.
Sugar is just simplified carbohydrate. Therefore a wide range of food contains sugar.
Some are natural sugars (fructose) and are found in abundance in fruits for example. These are not bad for you...
Deoxyribose is the sugar within DNA. You may know that DNA stands for Deoxyribonucleic Acid.Deoxyribose is a pentose sugar meaning it has 5 Carbon atoms.Hope this helps!