KS3 Y8 Food Test

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button if available to get a clue. Note that you will lose points if you ask for hints or clues!
   blue black      fat      greasy      protein      purple      rub      starch   
To test for we add 2 drops of Iodine solution to a food sample. If there is it will go from brown to in colour.

To test for it is best to have it solution or liquid form. We then add a few drops of Biuret solution. It will turn in colour if there is .

To test for we can a small sample of the food on some white paper. If it is it will leave a mark.

 

 

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