Methods for both experiments

Today we want to make sure that we have both methods completed, if you've already done that make sure that you've completed all other sections as well.

Vitamin C with iodine:

1.Measure out 3 ml of the drink.  Record the name in your table. Add 3 drops of starch to the drink.

2.Carefully use a pipette to add iodine, recording how much you need to make the juice blue.

3.Clean your glassware and repeat with another juice.

 

Benedict's solution: 

       1.Carefully measure out 2ml of a sugar solution into a test tube. Add 0.5ml of Benedict’s to make the solution blue.

      2.Place the tube in the water bath, waiting a couple of minutes until it has changed colour.

           3.Record the colour in your table, then repeat with another sugar solution.