Aim: To test if a sample of food contains complex sugars.
Equipment: Test tube, food sample iodine solution.
Method: 1. Place about 2 ml of the sample in a test tube 2. Add 3-5 drops of iodine and mix.
Results: If complex sugars are present the
Aim:
To test if a food sample contains protein.
To test if a food sample contains protein.
Equipment:
Test tube, sodium hydroxide (NaOh), copper sulphate (CuSO4), food sample.
Test tube, sodium hydroxide (NaOh), copper sulphate (CuSO4), food sample.
Method:
1) Place about 2ml of the food sample into a test tube and add 5 drops of sodium hydroxide.
2) Add 5 drops of copper sulphate.
3) Shake the test tube gently from side to side.
Conclusion:
1) Place about 2ml of the food sample into a test tube and add 5 drops of sodium hydroxide.
2) Add 5 drops of copper sulphate.
3) Shake the test tube gently from side to side.
Conclusion:
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