Compound $A$ gives $D$-Galactose and $D$-Glucose on hydrolysis. The compound $A$ is:

The change in optical rotation,with time,of a freshly prepared solution of sugar is known as

Which of the following carbohydrates is a disaccharide?

On hydrolysis,which of the following carbohydrates gives glucose only?

What is the number of $-OH$ groups present in one molecule of ribose?

The reagents with which glucose does not react to give the corresponding tests/products are
$A$. Tollen's reagent
$B$. Schiff's reagent
$C$. $HCN$
$D$. $NH_2OH$
$E$. $NaHSO_3$
Choose the correct options from the given below: