1.2 Carbohydrates and monosaccharides

Question 1

alpha glucose

Answer 1

Question 2

beta glucose

Answer 2

Question 3

Test for reducing sugar

Answer 3

Benedict’s reagent

Question 4

Benedict’s test for reducing sugar

Answer 4

1. Add 2cm³ food sample to a test tube.
2. Add equal volume of Benedict’s reagent to sample.
3. Heat test tube in a boiling water bath for 5 mins.
4. Observe colour change from blue to orange-brown when reducing sugars are present.