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2. What colour change happens with Proteins and biuret solution?

  • Browny orange to black
  • Blue to purple
  • Top layer bright red
  • Blue to green

3. What colour change happens with Starch and Iodine?

  • Blue to purple
  • Browny orange to black
  • Blue to green
  • Bright red top layer

4. What colour change happens with Sugars and Benedict's solution?

  • Top layer bright red
  • Blue to green
  • Blue to purple
  • Browny orange to black

5. What colour change happens with Lipids and Sudan III stain?

  • Browny orange to black
  • Bright red top layer
  • Blue to purple
  • Blue to green
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