How to carry out chemical tests to identify the presence of molecules

Describe how to carry out chemical tests to identify the presence of molecules

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1. If you use the ethanol emulsion test to test for a molecule, what colours are produced if positive?

  • Cloudy/ White
  • Blue/ Black
  • Lilac
  • Blue> Green> Yellow> Orange> Brick red
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Other questions in this quiz

2. How do you identify the presence of glucose?

  • Benedicts test
  • Biuret A+B test
  • Ethanol Emulsion Test
  • Iodine solution

3. If you use iodine to test for a molecule, what colours are produced if positive?

  • Blue> Green> Yellow> Orange> Brick red
  • Blue/ Black
  • Lilac
  • Cloudy/ White

4. If you use the Biuret A+B test to test for a molecule, what colours are produced if positive?

  • Lilac
  • Blue> Green> Yellow> Orange> Brick red
  • Cloudy / White
  • Blue/ Black

5. If you use the Benedicts test to test for a molecule, what colours are produced if positive?

  • Blue/ Black
  • Lilac
  • Blue> Green> Yellow> Orange> Brick red
  • Cloudy/ White

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