Sucrose on hydrolysis gives:

1. $\mathrm{\alpha }$-D-Glucose + $\mathrm{\beta }$-D-Glucose

2. $\mathrm{\alpha }$-D-Glucose + $\mathrm{\beta }$-D-Fructose

3. $\mathrm{\alpha }$-D-Fructose + $\mathrm{\beta }$-D-Fructose

4. $\mathrm{\beta }$-D-Glucose + $\mathrm{\alpha }$-D-Fructose

The reaction of concentrated sulphuric acid with carbohydrates (C₁₂H₂₂O₁₁) is an example of:
1. Dehydration
2. Oxidation
3. Reduction
4. Sulphonation

Which one of the following compounds shows the presence of an intramolecular hydrogen bond?

1. H₂O₂

2. HCN

3. Cellulose

4. Concentrated acetic acid

Among the following, reducing sugar is:

1. Galactose

2. Gluconic acid

3. β-methyl galactoside

4. Sucrose

A compound that gives a positive Fehling solution test is: 

Which is the correct statement among the following?

The compound that does not reduce Fehling solution is:
1. Glucose
2. Fructose
3. Sucrose
4. Maltose