Identify the glycosidic linkage present in maltose.

$A$ polysaccharide '$X$' on boiling with dil $H_2SO_4$ at $393 \ K$ under $2-3 \ atm$ pressure yields '$Y$'. '$Y$' on treatment with bromine water gives gluconic acid. '$X$' contains $\beta-$glycosidic linkages only. Compound '$X$' is ..... .

Which of the following derivatives is useful for the identification of reducing sugars?

Identify the non-reducing sugar:

When glucose reacts with bromine water,the main product is

Which of the following pairs of monosaccharides form sucrose?