The two forms of $D$-glucopyranose obtained from the solution of $D$-glucose are called:

Which of the following is the incorrect statement about maltose?

Which of the following is $D$-isomer?

Which of the following correctly represents $D$-glyceraldehyde?

Identify the reagent that confirms the presence of five $-OH$ groups in glucose.

$\alpha-D$-glucose and $\beta-D$-glucose differ from each other due to the difference in the configuration of their carbon atom at: