Other questions in this quiz

2. What is the test for fat?

  • Rub a small dry food sample on some white paper. Hold the paper up to the light. Protein will leave a white mark
  • Place a food sample in a test tube of about 1 cm. Add five drops of Buiret solution. If there is protein you will see a purple colour but this may take a few minnutes to appear.

3. What is the test for protein?

  • Place a food sample in a test tube of about 1 cm. Add five drops of Buiret solution. If there is protein you will see a purple colour but this may take a few minnutes to appear.
  • Rub a small dry food sample on some white paper. Hold the paper up to the light. Protein will leave a white mark.

4. What do scientists mean by the word 'diet'?

  • how much food you eat
  • what you eat
  • your favourite food
  • the way your food is digested

5. When using iodine in a food test, what substance are you testing for?

  • Carbohydrate
  • Protein
  • Starch
  • Fat

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