Tests for sugars

IGCSE Double Award specification

Can't remember which colour iodine turns in the presence of glucose? Wait, is iodine even used to test for glucose? Find out if you know the answers here!

HideShow resource information
  • Created by: John Leog
  • Created on: 07-05-11 11:37

1. What colour change occurs if glucose is detected?

  • Blue -> red or brown
  • Green -> yellow
  • Aqua-marine -> deep sea green
  • Red -> green
  • Orange -> yellow
1 of 5

Other questions in this quiz

2. What is used to test for the presence of starch?

  • Ethanol solution
  • Benedict solution
  • Phenolphthalein
  • Iodine solution
  • Glucagon solution

3. What colour change occurs if starch is detected?

  • Ground-in dirt -> crystal white
  • Orange or yellow -> purple or black
  • Pale blue -> colourless
  • Purple or black -> red
  • Brown -> pink

4. What is used to test for the presence of glucose?

  • Iodine solution
  • Benedict solution
  • Catalase solution
  • Phenolphthalein
  • Ethanol solution

5. Starch is a polysaccharide and glucose is a monosaccharide...?

  • True
  • False

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all resources »