Health Education Paper 2 May/June 2015

Question 4

 Describe an experiment to test for protein in a food substance using Millon’s
 reagent                                                                                                              [ 2 marks ]

Observation

This question was attempted by many candidates and their performance was fair,  few candidates got the answers in a right direction.
The expected answers are as follows:

    EXPERIMENT TO TEST PROTEIN USING  MILLON’S REAGENT

  • place the food substance in a test tube
  • add water to form a solution
  • add Million’s reagent to the food solution in a test tube
  • heat the solution
  • a deep red/brick red precipitate appears
  • showing the presence of protein
  •