What should you know about gluctose and fructose to be considered as different compounds?

Answer 1

Glucose belongs to aldoses group i.e it has a aldehyde group in it.. whereas fructose belongs to ketoses group i.e ketonic group is present. so glucose gives +ve test for aldehyde group test & one which doesn't give is fructose.

Answer 2

Glucose and fructose are both simple sugars, but they have different chemical structures and properties. Glucose is a monosaccharide with a six-carbon backbone, while fructose is also a monosaccharide but has a seven-carbon backbone. They have different tastes, with fructose being sweeter than glucose. Glucose is commonly found in fruits and honey, while fructose is found in fruits, honey, and many processed foods as high-fructose corn syrup.