Identify the pair of carbohydrates containing galactose as one of the constituents in both of them.

Which of the following carbohydrates is a disaccharide?

Sucrose is

How is glucose related to fructose?

Identify the incorrect statement from the following:

Which of the following is correct?
Pentaacetate of glucose $\xrightarrow{\text{Tollen's reagent}} +ve$ test $(A)$
Pentaacetate of glucose $\xrightarrow{\text{Benedict's reagent}} +ve$ test $(B)$
Pentaacetate of glucose $\xrightarrow{\text{Schiff's reagent}} -ve$ test $(C)$
Pentaacetate of glucose $\xrightarrow{NaHSO_3} -ve$ test $(D)$