Fructose is a ketose sugar and also called

A ketose sugar is

Which is ketose sugar ?

Which one of the following is NOT correct for monosaccharides? 1. They are optically active polyhydroxy carbonyl compounds 2.Fructose is ketose sugar and hence it does not give red precipitate with Fehling solution 3. alpha - D(+) glucose and beta - D(+) glucose are anomers 4. Glucose and mannose are anomers

STATEMENT-1 : Glucose and fructose can be differentiated by Fehling's solution. and STATEMENT-2 Glucose is an aldose while fructose is a ketose (having keto functional group).

Assertion : Fructose is a reducing sugar. Reason : It has a ketonic groups.

Which sugar is called invert sugar? Why is it called so?